CVE-2011-2518
What it is
The tomoyo_mount_acl function in security/tomoyo/mount.c in the Linux kernel before 2.6.39.2 calls the kern_path function with arguments taken directly from a mount system call, which allows local users to cause a denial of service (OOPS) or possibly have unspecified other impact via a NULL value for the device name.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Linux Kernel < 2.6.39.2
Attack profile CVSS 2.0 · 4.9
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
Raw vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-2518.md and follow it. Check whether this project is affected by CVE-2011-2518. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/torvalds/linux/commit/4e78c724d47e2342aa8fde61f6b8536f662f795f
- https://github.com/torvalds/linux/commit/4e78c724d47e2342aa8fde61f6b8536f662f795f
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e78c724d47e2342aa8fde61f6b8536f662f795f
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://www.openwall.com/lists/oss-security/2011/07/01/5
- https://github.com/torvalds/linux/commit/4e78c724d47e2342aa8fde61f6b8536f662f795f
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e78c724d47e2342aa8fde61f6b8536f662f795f
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://www.openwall.com/lists/oss-security/2011/07/01/5
- https://github.com/torvalds/linux/commit/4e78c724d47e2342aa8fde61f6b8536f662f795f