CVE-2012-0957
The override_release function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from…
- 4.9MediumCVSS base score
- 0.96%Exploitation in 30 daysEPSS · top 38% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The override_release function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from kernel stack memory via a uname system call in conjunction with a UNAME26 personality.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Linux Kernel 3.2.x - 'uname()' System Call Local Information Disclosure (Exploit-DB entry) (opens in a new tab)
EDB-ID 37937local, linuxpublished 9 Oct 2012Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By canonical
- 11 months later
· 11 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:C/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.96% · top 38% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Affected products
n/a
- affected n/a
References
14
- USN-1644-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1645-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2702b1526c7278c4d65d78de209a465d4de2885e (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1647-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1652-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1646-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=862877 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2012-17479 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://github.com/torvalds/linux/commit/2702b1526c7278c4d65d78de209a465d4de2885e (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1648-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1649-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 51409 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20121009 Linux kernel stack memory content leak via UNAME26 (opens in a new tab)mailing-listx_refsource_MLISTx_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)
- EUVD EUVD-2012-0980 (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
[](https://cveledger.app/cve/CVE-2012-0957)Record last updated .