CVE-2020-11565
published 2020-04-06CVE-2020-11565: An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is…
PriorityP426medium6CVSS 3.1
AVLACLPRHUINSUCNIHAH
EPSS
0.52%
41.2th percentile
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing, aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that this is a vulnerability because the issue “is a bug in parsing mount options which can only be specified by a privileged user, so triggering the bug does not grant any powers not already held.”
Affected
17 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | linux | < linux 5.5.17-1 (bookworm) | linux 5.5.17-1 (bookworm) |
| linux | linux_kernel | <= 5.6.2 | — |
| linux | linux_kernel | >= 0 < 5.5.17-1 | 5.5.17-1 |
| linux | linux_kernel | >= 0 < 5.5.17-1 | 5.5.17-1 |
| linux | linux_kernel | >= 0 < 5.5.17-1 | 5.5.17-1 |
| linux | linux_kernel | >= 0 < 5.5.17-1 | 5.5.17-1 |
| linux | linux_kernel | >= 0 < 4.4.0-179.209 | 4.4.0-179.209 |
| linux | linux_kernel | >= 0 < 4.15.0-101.102 | 4.15.0-101.102 |
| linux | linux_kernel | >= 0 < 5.4.0-31.35 | 5.4.0-31.35 |
| linux | linux_kernel | >= 0 < 5.4.0-33.37 | 5.4.0-33.37 |
| msrc | cbl_mariner_1.0_arm | — | — |
| msrc | cbl_mariner_1.0_x64 | — | — |
| msrc | cm1_kernel_5.4.91-11_on_cbl_mariner_1.0 | — | — |
CVSS provenance
nvdv3.16.0MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
nvdv2.03.6LOWAV:L/AC:L/Au:N/C:N/I:P/A:P
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_debian6.0MEDIUM
vendor_msrc6.0MEDIUM
vendor_redhat6.0MEDIUM
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GHSA
GHSA-prx5-2g93-9xf7: An issue was discovered in the Linux kernel through 5
ghsa_unreviewed·2022-05-24
CVE-2020-11565 [MEDIUM] CWE-787 GHSA-prx5-2g93-9xf7: An issue was discovered in the Linux kernel through 5
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing, aka CID-aa9f7d5172fa.
OSV
linux regression
osv·2020-05-28·CVSS 7.8
[HIGH] linux regression
linux regression
USN-4367-1 fixed vulnerabilities in the 5.4 Linux kernel. Unfortunately,
that update introduced a regression in overlayfs. This update corrects
the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
osv·2020-05-28·CVSS 4.4
CVE-2020-11494 [MEDIUM] linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)
David Gibson discovered that the Linux kernel on Power9 CPUs did not
properly save and restore Authority Mask registers state in some
situat
OSV
linux, linux-raspi2, linux-raspi2-5.3 regression
osv·2020-05-28·CVSS 7.8
[HIGH] linux, linux-raspi2, linux-raspi2-5.3 regression
linux, linux-raspi2, linux-raspi2-5.3 regression
USN-4369-1 fixed vulnerabilities in the 5.3 Linux kernel. Unfortunately,
that update introduced a regression in overlayfs. This update corrects
the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or expose sensitive information.
(CVE-2019-19769)
OSV
linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2 vulnerabilities
osv·2020-05-24·CVSS 7.8
CVE-2019-19377 [HIGH] linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2 vulnerabilities
linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2 vulnerabilities
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or expose sensitive information.
(CVE-2019-19769)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not p
OSV
linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities
osv·2020-05-24·CVSS 7.8
CVE-2019-19377 [HIGH] linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities
linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)
It was discovered that the block layer in the Linux kernel contained a race
condition leading to a use-after-free vulnerability.
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities
osv·2020-05-19·CVSS 7.5
CVE-2019-19060 [HIGH] linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities
linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel
did not properly deallocate memory in certain error conditions. A local
attacker could use this to cause a denial of service (memory exhaustion).
(CVE-2019-19060)
It was discovered that the vhost net driver in the Linux kernel contained a
stack buffer overflow. A local attacker with the ability to perform ioctl()
calls on /dev/vhost-net could use this to cause a denial of service (system
crash). (CVE-2020-10942)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
It was
OSV
linux-gke-5.0, linux-oem-osp1 vulnerabilities
osv·2020-05-19·CVSS 6.7
CVE-2019-19769 [MEDIUM] linux-gke-5.0, linux-oem-osp1 vulnerabilities
linux-gke-5.0, linux-oem-osp1 vulnerabilities
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or expose sensitive information.
(CVE-2019-19769)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)
It was discovered that the OV51x USB Camera dev
OSV
CVE-2020-11565: An issue was discovered in the Linux kernel through 5
osv·2020-04-06·CVSS 6.0
CVE-2020-11565 [MEDIUM] CVE-2020-11565: An issue was discovered in the Linux kernel through 5
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing, aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that this is a vulnerability because the issue “is a bug in parsing mount options which can only be specified by a privileged user, so triggering the bug does not grant any powers not already held.”
Ubuntu
Linux kernel regression
vendor_ubuntu·2020-05-28·CVSS 7.8
[HIGH] Linux kernel regression
Title: Linux kernel regression
Summary: USN-4369-1 introduced a regression in the Linux kernel.
USN-4369-1 fixed vulnerabilities in the 5.3 Linux kernel. Unfortunately,
that update introduced a regression in overlayfs. This update corrects
the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or
Ubuntu
Linux kernel regression
vendor_ubuntu·2020-05-28·CVSS 7.8
[HIGH] Linux kernel regression
Title: Linux kernel regression
Summary: USN-4367-1 introduced a regression in the Linux kernel.
USN-4367-1 fixed vulnerabilities in the 5.4 Linux kernel. Unfortunately,
that update introduced a regression in overlayfs. This update corrects
the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount opt
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-05-28·CVSS 4.4
CVE-2020-11494 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)
David Gibson discovered that the Linux kernel on Power9 CPUs did not
properly save and restore Authority Mask registers state in some
situations. A local attacker in a guest VM could use this to cause a denial
of service (h
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-05-24·CVSS 7.8
CVE-2019-19377 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)
It was discovered that the block layer in the Linux kernel contained a race
condition leading to a use-after-free vulnerability. A loca
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-05-24·CVSS 7.8
CVE-2019-19377 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the btrfs implementation in the Linux kernel did not
properly detect that a block was marked dirty in some situations. An
attacker could use this to specially craft a file system image that, when
unmounted, could cause a denial of service (system crash). (CVE-2019-19377)
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or expose sensitive information.
(CVE-2019-19769)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive informat
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-05-19·CVSS 6.7
CVE-2019-19769 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or expose sensitive information.
(CVE-2019-19769)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-05-19·CVSS 7.5
CVE-2019-19060 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel
did not properly deallocate memory in certain error conditions. A local
attacker could use this to cause a denial of service (memory exhaustion).
(CVE-2019-19060)
It was discovered that the vhost net driver in the Linux kernel contained a
stack buffer overflow. A local attacker with the ability to perform ioctl()
calls on /dev/vhost-net could use this to cause a denial of service (system
crash). (CVE-2020-10942)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
Microsoft
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing ak
vendor_msrc·2020-04-14·CVSS 6.0
CVE-2020-11565 [MEDIUM] CWE-787 An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing ak
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that this is a vulnerability because the issue “is a bug in parsing mount options which can only be specified by a privileged user so triggering the bug does not grant any powers not already held.”
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open sou
Red Hat
kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c
vendor_redhat·2020-04-01·CVSS 6.0
CVE-2020-11565 [MEDIUM] CWE-787 kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c
kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing, aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that this is a vulnerability because the issue “is a bug in parsing mount options which can only be specified by a privileged user, so triggering the bug does not grant any powers not already held.”
An out-of-bounds write flaw was found in the Linux kernel. An empty nodelist in mempolicy.c is mishandled durig mount option parsing leading to a stack-based out-of-bounds write. The highest threat from this vulnerability is to system availability.
Mitig
Debian
CVE-2020-11565: linux - An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/...
vendor_debian·2020·CVSS 6.0
CVE-2020-11565 [MEDIUM] CVE-2020-11565: linux - An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/...
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing, aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that this is a vulnerability because the issue “is a bug in parsing mount options which can only be specified by a privileged user, so triggering the bug does not grant any powers not already held.”
Scope: local
bookworm: resolved (fixed in 5.5.17-1)
bullseye: resolved (fixed in 5.5.17-1)
forky: resolved (fixed in 5.5.17-1)
sid: resolved (fixed in 5.5.17-1)
trixie: resolved (fixed in 5.5.17-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-11565 kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c [fedora-all]
bugzilla·2020-04-16·CVSS 6.0
CVE-2020-11565 [MEDIUM] CVE-2020-11565 kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c [fedora-all]
CVE-2020-11565 kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects mult
Bugzilla
CVE-2020-11565 kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c
bugzilla·2020-04-16·CVSS 6.0
CVE-2020-11565 [MEDIUM] CVE-2020-11565 kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c
CVE-2020-11565 kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c
An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in
mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist
is mishandled during mount option parsing.
Reference and upstream commit:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa9f7d5172fac9bf1f09e678c35e287a40a7b7dd
Discussion:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1824919]
---
This was fixed for Fedora with the 5.5.16 stable kernel updates.
---
Mitigation:
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applica
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa9f7d5172fac9bf1f09e678c35e287a40a7b7ddhttps://github.com/torvalds/linux/commit/aa9f7d5172fac9bf1f09e678c35e287a40a7b7ddhttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlhttps://usn.ubuntu.com/4363-1/https://usn.ubuntu.com/4364-1/https://usn.ubuntu.com/4367-1/https://usn.ubuntu.com/4368-1/https://usn.ubuntu.com/4369-1/https://www.debian.org/security/2020/dsa-4667https://www.debian.org/security/2020/dsa-4698https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa9f7d5172fac9bf1f09e678c35e287a40a7b7ddhttps://github.com/torvalds/linux/commit/aa9f7d5172fac9bf1f09e678c35e287a40a7b7ddhttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlhttps://usn.ubuntu.com/4363-1/https://usn.ubuntu.com/4364-1/https://usn.ubuntu.com/4367-1/https://usn.ubuntu.com/4368-1/https://usn.ubuntu.com/4369-1/https://www.debian.org/security/2020/dsa-4667https://www.debian.org/security/2020/dsa-4698
2020-04-06
Published