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CVE-2011-0726
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it…
Low2.1EPSS 0.34%
- Published
- Updated
- Reserved
- Assigned by
- canonical
Description
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.34% · top 73% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
Affected products
n/a
- affected n/a
References (8)
- [mm-commits] 20110314 + proc-protect-mm-start_code-end_code-in-proc-pid-stat.patch added to -mm tree (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=684569 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 47791 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5883f57ca0008ffc93e09cbb9847a1928e50c6f3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.39/ChangeLog-2.6.39-rc1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2011:0833 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://downloads.avaya.com/css/P8/documents/100145416 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [linux-kernel] 20110311 [PATCH] proc: protect mm start_code/end_code in /proc/pid/stat (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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .