CVE-2015-7872
low
CVSS v3
—
CVSS v2
2.1
VIR risk
2.1
Description
The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-7872
Vendor advisory: secalert@redhat.com — https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c
Vendor advisory: secalert@redhat.com — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 4.2.5-1 |
| debian | bullseye | fixed | 4.2.5-1 |
| debian | forky | fixed | 4.2.5-1 |
| debian | sid | fixed | 4.2.5-1 |
| debian | trixie | fixed | 4.2.5-1 |
| linux-kernel | affected | |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce1fad2740c648a4340f6f6c391a8a83769d2e8c
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://marc.info/?l=bugtraq&m=145975164525836&w=2
- http://rhn.redhat.com/errata/RHSA-2015-2636.html
- http://rhn.redhat.com/errata/RHSA-2016-0185.html
- http://rhn.redhat.com/errata/RHSA-2016-0212.html
- http://rhn.redhat.com/errata/RHSA-2016-0224.html
- http://www.debian.org/security/2015/dsa-3396
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.