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CVE-2012-0056
The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to…
Medium6.9EPSS 10.8%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 10.8% · top 4.1% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Weakness
Affected products
n/a
- affected n/a
References (14)
- 51625 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://blog.zx2c4.com/749 (opens in a new tab)x_refsource_MISCx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1336-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2012:0052 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 47708 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20120119 Re: CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120117 Re: CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2012:0061 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20120118 CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120122 Re: CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=782642 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#470151 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_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 .