CVE-2011-1089

Name	CVE-2011-1089
Description	The addmntent function in the GNU C Library (aka glibc or libc6) 2.13 and earlier does not report an error status for failed attempts to write to the /etc/mtab file, which makes it easier for local users to trigger corruption of this file, as demonstrated by writes from a process with a small RLIMIT_FSIZE value, a different vulnerability than CVE-2010-0296.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
glibc (PTS)	bullseye	2.31-13+deb11u11	fixed
	bullseye (security)	2.31-13+deb11u10	fixed
	bookworm	2.36-9+deb12u9	fixed
	bookworm (security)	2.36-9+deb12u7	fixed
	sid, trixie	2.40-4	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
eglibc	source	squeeze	2.11.3-1
eglibc	source	(unstable)	2.13-8
glibc	source	(unstable)	2.13-8

http://seclists.org/oss-sec/2011/q1/368
http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=e1fb097f447a89aa69a926e45e673a52d86a6c57