fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain…
Priority LOW 12CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.00426 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 2.6.35.2 | Vulnerable | Linux |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* | 8.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* | 9.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* | 9.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* | 10.10 | Vulnerable | Canonical |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.35.2 Vulnerable ·Linux
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* Versions 8.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* Versions 9.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* Versions 10.10 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2946
- 2026-10-03 Alias added: GHSA-fjrg-6rx6-hx77
References
Advisory 14
- USN-1000-1
- [oss-security] 20100820 Re: CVE request - kernel: jfs: don't allow os2 xattr namespace overlap with others
- SUSE-SA:2010:040
- SUSE-SA:2011:007
- SUSE-SA:2010:060
- ADV-2011-0298
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51
- MDVSA-2011:051
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2
- ADV-2011-0375
- [oss-security] 20100820 CVE request - kernel: jfs: don't allow os2 xattr namespace overlap with others
- SUSE-SA:2011:008
- http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10
- SUSE-SA:2010:054
Sources
- CVE-2010-2946 · CVE Program
- CVE-2010-2946 · NVD
- FIRST EPSS
- GHSA-fjrg-6rx6-hx77 · GitHub Advisory Database · CC BY 4.0
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