CVE-2010-2946
What it is
fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain legacy format for storage of extended attributes, which might allow local users by bypass intended xattr namespace restrictions via an "os2." substring at the beginning of a name.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- 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: 2.1 LOW (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 < 2.6.35.2
- Canonical Ubuntu Linux 6.06
- Canonical Ubuntu Linux 8.04
- Canonical Ubuntu Linux 9.04
- Canonical Ubuntu Linux 9.10
- Canonical Ubuntu Linux 10.04
- Canonical Ubuntu Linux 10.10
Attack profile CVSS 2.0 · 2.1
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- Partial
- Availability
- None
Raw vector
AV:L/AC:L/Au:N/C:N/I:P/A:N
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-2010-2946.md and follow it. Check whether this project is affected by CVE-2010-2946. 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
- http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2
- http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=aca0fa34bdaba39bfddddba8ca70dba4782e8fe6
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://secunia.com/advisories/41321
- http://secunia.com/advisories/43291
- http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- http://www.openwall.com/lists/oss-security/2010/08/20/1
- http://www.openwall.com/lists/oss-security/2010/08/20/11
- http://www.securityfocus.com/bid/42589
- http://www.ubuntu.com/usn/USN-1000-1
- http://www.vupen.com/english/advisories/2011/0298
- http://www.vupen.com/english/advisories/2011/0375
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=aca0fa34bdaba39bfddddba8ca70dba4782e8fe6
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://secunia.com/advisories/41321