CVE-2020-11935
published 2023-04-07CVE-2020-11935: It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause…
PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.20%
10.0th percentile
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| linux | linux_kernel | >= 0 < 4.4.0-186.216 | 4.4.0-186.216 |
| linux | linux_kernel | >= 0 < 4.15.0-112.113 | 4.15.0-112.113 |
| linux | linux_kernel | >= 0 < 5.4.0-42.46 | 5.4.0-42.46 |
| linux | linux_kernel | >= 0 < 4.4.0-193.224 | 4.4.0-193.224 |
| linux | linux_kernel | >= 0 < 4.4.0-186.216 | 4.4.0-186.216 |
| linux | linux_kernel | >= 0 < 4.15.0-121.123 | 4.15.0-121.123 |
| linux | linux_kernel | >= 0 < 4.15.0-112.113 | 4.15.0-112.113 |
| linux | linux_kernel | >= 0 < 5.4.0-51.56 | 5.4.0-51.56 |
| linux | linux_kernel | >= 0 < 5.4.0-42.46 | 5.4.0-42.46 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv6.7MEDIUM
vendor_ubuntu6.7MEDIUM
vendor_redhat4.4MEDIUM
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GHSA
GHSA-m5wq-r6hh-xqf5: It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method
ghsa_unreviewed·2023-04-07
CVE-2020-11935 [MEDIUM] CWE-911 GHSA-m5wq-r6hh-xqf5: It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
OSV
Kernel Live Patch Security Notice
osv·2020-10-14·CVSS 4.4
CVE-2020-0067 [MEDIUM] Kernel Live Patch Security Notice
Kernel Live Patch Security Notice
It was discovered that the F2FS file system implementation in the Linux
kernel did not properly perform bounds checking on xattrs in some
situations. A local attacker could possibly use this to expose sensitive
information (kernel memory). (CVE-2020-0067)
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)
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_dentry_open() method. A local attacker could use this vulnerability
to cause a denial of service. (CVE-2020-11935)
Piotr Krysiuk discovered that race conditi
OSV
Kernel Live Patch Security Notice
osv·2020-08-17·CVSS 5.5
CVE-2020-11935 [MEDIUM] Kernel Live Patch Security Notice
Kernel Live Patch Security Notice
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_dentry_open() method. A local attacker could use this vulnerability
to cause a denial of service. (CVE-2020-11935)
OSV
linux-hwe, linux-aws-5.3, linux-azure-5.3, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities
osv·2020-07-31·CVSS 4.1
CVE-2019-16089 [MEDIUM] linux-hwe, linux-aws-5.3, linux-azure-5.3, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities
linux-hwe, linux-aws-5.3, linux-azure-5.3, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities
It was discovered that the network block device (nbd) implementation in the
Linux kernel did not properly check for error conditions in some
situations. An attacker could possibly use this to cause a denial of
service (system crash). (CVE-2019-16089)
It was discovered that the kernel->user space relay implementation in the
Linux kernel did not properly check return values in some situations. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2019-19462)
Chuhong Yuan discovered that go7007 USB audio device driver in the Linux
kernel did not properly deallocate memory in some failure conditions. A
physically proximat
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
osv·2020-07-27·CVSS 6.7
CVE-2019-20908 [MEDIUM] linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, 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-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
Jason A. Donenfeld discovered that the ACPI implementation in the Linux
kernel did not properly restrict loading SSDT code from an EFI variable. A
privileged attacker could use this to bypass Secure Boot lockdown
restrictions and execute arbitrary code in the kernel. (CVE-2019-20908)
Fan Yang discovered that the mremap implementation in the Linux kernel did
not properly handle DAX Huge Pages. A local attacker with access to DAX
storage could use this to gain administrative privileges. (CVE-2020-10757)
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel im
OSV
linux, linux-aws, linux-azure, linux-azure-5.4, linux-gcp, linux-hwe-5.4, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4, linux-riscv vulnerabilities
osv·2020-07-27·CVSS 4.1
CVE-2019-16089 [MEDIUM] linux, linux-aws, linux-azure, linux-azure-5.4, linux-gcp, linux-hwe-5.4, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4, linux-riscv vulnerabilities
linux, linux-aws, linux-azure, linux-azure-5.4, linux-gcp, linux-hwe-5.4, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4, linux-riscv vulnerabilities
It was discovered that the network block device (nbd) implementation in the
Linux kernel did not properly check for error conditions in some
situations. An attacker could possibly use this to cause a denial of
service (system crash). (CVE-2019-16089)
It was discovered that the kernel->user space relay implementation in the
Linux kernel did not properly check return values in some situations. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2019-19462)
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_
OSV
linux-gke-5.0, linux-oem-osp1 vulnerabilities
osv·2020-07-27·CVSS 4.1
CVE-2019-16089 [MEDIUM] linux-gke-5.0, linux-oem-osp1 vulnerabilities
linux-gke-5.0, linux-oem-osp1 vulnerabilities
It was discovered that the network block device (nbd) implementation in the
Linux kernel did not properly check for error conditions in some
situations. An attacker could possibly use this to cause a denial of
service (system crash). (CVE-2019-16089)
It was discovered that the btrfs file system implementation in the Linux
kernel did not properly validate file system metadata in some situations.
An attacker could use this to construct a malicious btrfs image that, when
mounted, could cause a denial of service (system crash). (CVE-2019-19036)
It was discovered that the kernel->user space relay implementation in the
Linux kernel did not properly check return values in some situations. A
local attacker could possibly use this to cause a denial o
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities
osv·2020-07-27·CVSS 4.6
CVE-2019-19947 [MEDIUM] 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 Kvaser CAN/USB driver in the Linux kernel did
not properly initialize memory in certain situations. A local attacker
could possibly use this to expose sensitive information (kernel memory).
(CVE-2019-19947)
Chuhong Yuan discovered that go7007 USB audio device driver in the Linux
kernel did not properly deallocate memory in some failure conditions. A
physically proximate attacker could use this to cause a denial of service
(memory exhaustion). (CVE-2019-20810)
Jason A. Donenfeld discovered that the ACPI implementation in the Linux
kernel did not properly restrict loading SSDT code from an EFI variable. A
privileged attacker could use this to bypass Secure Boot lockdown
OSV
CVE-2020-11935: It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method
osv·2020-06-29·CVSS 5.5
CVE-2020-11935 [MEDIUM] CVE-2020-11935: It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
Ubuntu
Kernel Live Patch Security Notice
vendor_ubuntu·2020-10-14·CVSS 4.4
CVE-2020-11935 [MEDIUM] Kernel Live Patch Security Notice
Title: Kernel Live Patch Security Notice
Summary: Several security issues were fixed in the kernel.
It was discovered that the F2FS file system implementation in the Linux
kernel did not properly perform bounds checking on xattrs in some
situations. A local attacker could possibly use this to expose sensitive
information (kernel memory). (CVE-2020-0067)
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)
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_dentry_open() method. A local attacker could use this vulnerability
to cause a denial of se
Ubuntu
Kernel Live Patch Security Notice
vendor_ubuntu·2020-08-17·CVSS 4.4
CVE-2020-11935 [MEDIUM] Kernel Live Patch Security Notice
Title: Kernel Live Patch Security Notice
Summary: Several security issues were fixed in the kernel.
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_dentry_open() method. A local attacker could use this vulnerability
to cause a denial of service. (CVE-2020-11935)
Ubuntu
linux kernel vulnerabilities
vendor_ubuntu·2020-07-31·CVSS 4.1
CVE-2019-16089 [MEDIUM] linux kernel vulnerabilities
Title: linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the network block device (nbd) implementation in the
Linux kernel did not properly check for error conditions in some
situations. An attacker could possibly use this to cause a denial of
service (system crash). (CVE-2019-16089)
It was discovered that the kernel->user space relay implementation in the
Linux kernel did not properly check return values in some situations. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2019-19462)
Chuhong Yuan discovered that go7007 USB audio device driver in the Linux
kernel did not properly deallocate memory in some failure conditions. A
physically proximate attacker could use this to caus
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-07-27·CVSS 4.1
CVE-2019-12380 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the network block device (nbd) implementation in the
Linux kernel did not properly check for error conditions in some
situations. An attacker could possibly use this to cause a denial of
service (system crash). (CVE-2019-16089)
It was discovered that the btrfs file system implementation in the Linux
kernel did not properly validate file system metadata in some situations.
An attacker could use this to construct a malicious btrfs image that, when
mounted, could cause a denial of service (system crash). (CVE-2019-19036)
It was discovered that the kernel->user space relay implementation in the
Linux kernel did not properly check return values in some situations. A
lo
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-07-27·CVSS 4.1
CVE-2020-15780 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the network block device (nbd) implementation in the
Linux kernel did not properly check for error conditions in some
situations. An attacker could possibly use this to cause a denial of
service (system crash). (CVE-2019-16089)
It was discovered that the kernel->user space relay implementation in the
Linux kernel did not properly check return values in some situations. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2019-19462)
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_dentry_open() method. A local attacker could use this v
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-07-27·CVSS 4.6
CVE-2020-10768 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the Kvaser CAN/USB driver in the Linux kernel did
not properly initialize memory in certain situations. A local attacker
could possibly use this to expose sensitive information (kernel memory).
(CVE-2019-19947)
Chuhong Yuan discovered that go7007 USB audio device driver in the Linux
kernel did not properly deallocate memory in some failure conditions. A
physically proximate attacker could use this to cause a denial of service
(memory exhaustion). (CVE-2019-20810)
Jason A. Donenfeld discovered that the ACPI implementation in the Linux
kernel did not properly restrict loading SSDT code from an EFI variable. A
privileged attacker could use this to bypass Secure Boot
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2020-07-27·CVSS 6.7
CVE-2019-20908 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jason A. Donenfeld discovered that the ACPI implementation in the Linux
kernel did not properly restrict loading SSDT code from an EFI variable. A
privileged attacker could use this to bypass Secure Boot lockdown
restrictions and execute arbitrary code in the kernel. (CVE-2019-20908)
Fan Yang discovered that the mremap implementation in the Linux kernel did
not properly handle DAX Huge Pages. A local attacker with access to DAX
storage could use this to gain administrative privileges. (CVE-2020-10757)
Mauricio Faria de Oliveira discovered that the aufs implementation in the
Linux kernel improperly managed inode reference counts in the
vfsub_dentry_open() method. A local attacker could u
Red Hat
kernel: panic hit by kube-proxy iptables-save/restore
vendor_redhat·2020-04-15·CVSS 4.4
CVE-2020-11935 [MEDIUM] CWE-400 kernel: panic hit by kube-proxy iptables-save/restore
kernel: panic hit by kube-proxy iptables-save/restore
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
A flaw improperly managed inode reference counts in the vfsub_dentry_open() in the Linux kernel aufs subsystem was found in the way local user calls vfsub_dentry_open() method. A local user could use this flaw to crash the system.
Package: kernel (Red Hat Enterprise Linux 5) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-alt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: ker
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-04-07
Published