CVE-2013-0914
low
CVSS v3
—
CVSS v2
3.6
VIR risk
3.6
Description
The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-0914
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| linux-kernel | affected | | |
| linux-kernel | 3.8.0 | affected | |
| linux-kernel | 3.8.1 | affected | |
| linux-kernel | 3.8.2 | affected | |
| debian | bookworm | fixed | 3.2.41-1 |
| debian | bullseye | fixed | 3.2.41-1 |
| debian | forky | fixed | 3.2.41-1 |
| debian | sid | fixed | 3.2.41-1 |
| debian | trixie | fixed | 3.2.41-1 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ca39528c01a933f6689cd6505ce65bd6d68a530
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://rhn.redhat.com/errata/RHSA-2013-1051.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/03/11/8
- http://www.ubuntu.com/usn/USN-1787-1
- http://www.ubuntu.com/usn/USN-1788-1
- http://www.ubuntu.com/usn/USN-1792-1
- http://www.ubuntu.com/usn/USN-1793-1
- http://www.ubuntu.com/usn/USN-1794-1
- http://www.ubuntu.com/usn/USN-1795-1
- http://www.ubuntu.com/usn/USN-1796-1
- http://www.ubuntu.com/usn/USN-1797-1
- http://www.ubuntu.com/usn/USN-1798-1
- https://bugzilla.redhat.com/show_bug.cgi?id=920499
- https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530
- https://security-tracker.debian.org/tracker/CVE-2013-0914
CWEs
CWE-264
Verify integrity in audit chain (admin only). AS-IS.