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,…

Description

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.

Scores

EPSS (exploitation in 30 days)

0.43% · top 63% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (18)

• USN-1000-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• [oss-security] 20100820 Re: CVE request - kernel: jfs: don't allow os2 xattr namespace overlap with others (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• SUSE-SA:2010:040 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=aca0fa34bdaba39bfddddba8ca70dba4782e8fe6 (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SA:2011:007 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SA:2010:060 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• ADV-2011-0298 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51 (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2011:051 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 42589 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• ADV-2011-0375 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• [oss-security] 20100820 CVE request - kernel: jfs: don't allow os2 xattr namespace overlap with others (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• SUSE-SA:2011:008 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 43291 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 41321 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2010:054 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2010-2946](https://trackcve.app/badge/CVE-2010-2946.svg)](https://trackcve.app/cve/CVE-2010-2946)

Record last updated 7 Aug 2024, 02:55 UTC.