CVE-2018-7754
published 2018-08-10CVE-2018-7754: The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address…
PriorityP421medium5.5CVSS 3.0
AVLACLPRLUINSUCHINAN
EPSS
0.38%
30.7th percentile
The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading "ffree: " lines in a debugfs file.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 4.15.4-1 (bookworm) | linux 4.15.4-1 (bookworm) |
| linux | linux_kernel | <= 4.15 | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 4.15.4-1 | 4.15.4-1 |
| linux | linux_kernel | >= 0 < 4.15.4-1 | 4.15.4-1 |
| linux | linux_kernel | >= 0 < 4.15.4-1 | 4.15.4-1 |
| linux | linux_kernel | >= 0 < 4.15.4-1 | 4.15.4-1 |
CVSS provenance
nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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GHSA
GHSA-g3w7-5hqx-74mg: The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk
ghsa_unreviewed·2022-05-13
CVE-2018-7754 [MEDIUM] CWE-532 GHSA-g3w7-5hqx-74mg: The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk
The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading "ffree: " lines in a debugfs file.
OSV
CVE-2018-7754: The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk
osv·2018-08-10·CVSS 5.5
CVE-2018-7754 [MEDIUM] CVE-2018-7754: The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk
The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading "ffree: " lines in a debugfs file.
Red Hat
kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c
vendor_redhat·2018-08-09·CVSS 5.5
CVE-2018-7754 [MEDIUM] CWE-200 kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c
kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c
The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading "ffree: " lines in a debugfs file.
A flaw was found in the Linux kernel in that the aoedisk_debugfs_show() function in drivers/block/aoe/aoeblk.c allows local users to obtain some kernel address information by reading a debugfs file. This address is not useful to commit a further attack.
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) - Will not f
Debian
CVE-2018-7754: linux - The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux ker...
vendor_debian·2018·CVSS 5.5
CVE-2018-7754 [MEDIUM] CVE-2018-7754: linux - The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux ker...
The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading "ffree: " lines in a debugfs file.
Scope: local
bookworm: resolved (fixed in 4.15.4-1)
bullseye: resolved (fixed in 4.15.4-1)
forky: resolved (fixed in 4.15.4-1)
sid: resolved (fixed in 4.15.4-1)
trixie: resolved (fixed in 4.15.4-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-7754 kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c [fedora-all]
bugzilla·2018-08-15·CVSS 5.5
CVE-2018-7754 [MEDIUM] CVE-2018-7754 kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c [fedora-all]
CVE-2018-7754 kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.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
Bugzilla
CVE-2018-7754 kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c
bugzilla·2018-08-15·CVSS 5.5
CVE-2018-7754 [MEDIUM] CVE-2018-7754 kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c
CVE-2018-7754 kernel: Information Exposure in aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c
A flaw was found in the Linux kernel in that the aoedisk_debugfs_show() function in drivers/block/aoe/aoeblk.c allows local users to obtain some kernel address information by reading a debugfs file. This address is not useful to commit a further attack.
References:
https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.md
The introducing commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1cf94797c2bbc514c2bd0892e1774a0a8ca9afdb
Discussion:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1616376]
---
Notes:
The kernel addresses revealed in the debugfs file are of the kernel objects which are allocated dy
https://elixir.bootlin.com/linux/v4.16-rc4/source/drivers/block/aoe/aoeblk.c#L421https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.mdhttps://elixir.bootlin.com/linux/v4.16-rc4/source/drivers/block/aoe/aoeblk.c#L421https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.md
2018-08-10
Published