Vulnerability in Linux Kernel
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 /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.9 (Medium). Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.108 (95.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.108 · newest: 0.108 · change: -0.001
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/51625 (VDB Entry, Third Party Advisory, vdb-entry)
- blog.zx2c4.com/749 (Third Party Advisory)
- git.kernel.org/ (Vendor Advisory)
- ubuntu.com/usn/usn-1336-1 (vendor-advisory, Third Party Advisory)
- www.redhat.com/support/errata/RHSA-2012-0052.html (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/47708 (Broken Link, third-party-advisory)
- www.openwall.com/lists/oss-security/2012/01/19/4 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/01/18/2 (mailing-list, Mailing List, Third Party Advisory)
- www.redhat.com/support/errata/RHSA-2012-0061.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/01/18/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2012-0056?
- CVE-2012-0056 is a vulnerability in Linux Kernel, classified under CWE-264. Published 2012-01-27.
- Is CVE-2012-0056 known to be exploited?
- 164 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.