CVE-2012-0056
N/A
Published: January 27, 2012 at 03:00 PM UTC
Updated: June 16, 2026 at 11:36 PM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
N/A
Exploit prediction
EPSS 11%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
2.6.39 ≤ v < 3.0.183.1 ≤ v < 3.2.2
Affected range stops below 3.0.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc
- http://ubuntu.com/usn/usn-1336-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
- http://www.redhat.com/support/errata/RHSA-2012-0052.html
- http://www.redhat.com/support/errata/RHSA-2012-0061.html
References (14)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3ccccThird Party Advisoryx_refsource_SECUNIABroken Link
Source: [email protected]
http://secunia.com/advisories/47708Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://ubuntu.com/usn/usn-1336-1Third Party Advisoryx_refsource_CERT-VNUS Government Resource
Source: [email protected]
http://www.kb.cert.org/vuls/id/470151x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2012/01/18/1Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2012/01/18/2Quick Info
StatusMODIFIED
CWE
CWE-264
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