CVE-2010-2946 json
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, whi…
published 2010-09-29 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-2950
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- linux linux_kernel 2.6.35.2
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
ubuntu.com
/usn/USN-1000-1
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2010-09/msg00004.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2011-02/msg00000.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2010-12/msg00004.html
vendor-advisory, mailing-list, third-party-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2011:051
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2011-02/msg00002.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2010-11/msg00000.html
vendor-advisory, mailing-list, third-party-advisory
-
kernel.org
/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51
vendor-advisory
-
kernel.org
/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2
vendor-advisory
-
kernel.org
/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10
vendor-advisory
-
openwall.com
/lists/oss-security/2010/08/20/11
mailing-list, third-party-advisory
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=aca0fa34bdaba39bfddddba8ca70dba4782e8fe6
-
vupen.com
/english/advisories/2011/0298
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/42589
vdb-entry, third-party-advisory
-
vupen.com
/english/advisories/2011/0375
vdb-entry, third-party-advisory
-
openwall.com
/lists/oss-security/2010/08/20/1
mailing-list, third-party-advisory
-
secunia.com
/advisories/43291
third-party-advisory
-
secunia.com
/advisories/41321
third-party-advisory
Sources
- CVE List CVE-2010-2946
- NVD CVE-2010-2946
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.