Input validation error in Linux kernel - CVE-2011-1182
Published: March 1, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43041
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-1182
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
kernel/signal.c in the Linux kernel before 2.6.39 allows local users to spoof the uid and pid of a signal sender via a sigqueueinfo system call.
Affected software
Linux kernel
How to mitigate CVE-2011-1182
Install update from vendor's website.
Linux kernel - update to 2.6.39
External References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=da48524eb20662618854bb3df2db01fc65f3070c
- http://rhn.redhat.com/errata/RHSA-2011-0927.html
- http://www.openwall.com/lists/oss-security/2011/03/23/2
- https://bugzilla.redhat.com/show_bug.cgi?id=690028
- https://github.com/torvalds/linux/commit/da48524eb20662618854bb3df2db01fc65f3070c