CVE-2011-1182
First published: Wed Mar 23 2011(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux-2.6 | ||
| Linux Kernel | <2.6.39 | |
| Red Hat Enterprise Linux | =5.0 | |
| redhat enterprise linux aus | =5.6 | |
| redhat enterprise Linux desktop | =5.0 | |
| redhat enterprise Linux eus | =5.6 | |
| redhat enterprise Linux server | =5.0 | |
| redhat enterprise Linux workstation | =5.0 |
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Reference Links
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- https://bugzilla.redhat.com/show_bug.cgi?id=690028
- https://github.com/torvalds/linux/commit/da48524eb20662618854bb3df2db01fc65f3070c
- http://www.openwall.com/lists/oss-security/2011/03/23/2
- http://rhn.redhat.com/errata/RHSA-2011-0927.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=da48524eb20662618854bb3df2db01fc65f3070c
- https://launchpad.net/bugs/cve/CVE-2011-1182
- http://codesearch.google.com/codesearch/p?hl=en#xy1xtVWIKOQ/pub/glibc/snapshots/glibc-latest.tar.bz2%7CXP6Z3zoy3dk/glibc-20090518/nptl/init.c&l=175
- http://codesearch.google.com/codesearch/p?hl=en#xy1xtVWIKOQ/pub/glibc/snapshots/glibc-latest.tar.bz2%7CXP6Z3zoy3dk/glibc-20090518/sysdeps/unix/sysv/linux/sigwaitinfo.c&l=63
- http://codesearch.google.com/codesearch/p?hl=en#xy1xtVWIKOQ/pub/glibc/snapshots/glibc-latest.tar.bz2%7CXP6Z3zoy3dk/glibc-20090518/sysdeps/unix/sysv/linux/sigtimedwait.c&l=62
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=da48524eb20662618854bb3df2db01fc65f3070c
- http://git.kernel.org/linus/da48524eb20662618854bb3df2db01fc65f3070c
- http://git.kernel.org/linus/243b422af9ea9af4ead07a8ad54c90d4f9b6081a
- https://access.redhat.com/support/policy/updates/errata/
- https://rhn.redhat.com/errata/RHSA-2011-0927.html
- https://rhn.redhat.com/errata/RHSA-2011-1189.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=243b422af9ea9af4ead07a8ad54c90d4f9b6081a
- http://seclists.org/oss-sec/2011/q1/625
- https://rhn.redhat.com/errata/RHSA-2011-0883.html
- https://security-tracker.debian.org/tracker/CVE-2011-1182
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1182
- https://nvd.nist.gov/vuln/detail/CVE-2011-1182
- https://ubuntu.com/security/CVE-2011-1182
Frequently Asked Questions
What is the severity of CVE-2011-1182?
CVE-2011-1182 is classified with a moderate severity level due to its potential impact on user privilege escalation.
How do I fix CVE-2011-1182?
To fix CVE-2011-1182, it is recommended to upgrade to the Linux kernel version 2.6.39 or later.
What versions of the Linux kernel are affected by CVE-2011-1182?
CVE-2011-1182 affects all Linux kernel versions prior to 2.6.39.
Can CVE-2011-1182 be exploited by remote attackers?
CVE-2011-1182 is primarily a local vulnerability, meaning it requires local access to exploit.
What does CVE-2011-1182 involve in terms of system calls?
CVE-2011-1182 involves the sigqueueinfo system call which can be manipulated to spoof the sender's uid and pid.
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