Integer overflow in Linux Kernel
CVE-2012-6703
Integer overflow in the snd_compr_allocate_buffer function in sound/core/compress_offload.c in the ALSA subsystem in the Linux kernel before 3.6-rc6-next-20120917 allows local users to cause a denial of service (insufficient memory allocation) or possibly have unspecified other impact via a crafted SNDRV_COMPRESS_SET_PARAMS ioctl call.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2016/06/28/6 (mailing-list)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
- github.com/torvalds/linux/commit/b35cc8225845112a616e3a2266d2fde5ab13d3ab
- bugzilla.redhat.com/show_bug.cgi
- www.kernel.org/pub/linux/kernel/next/patch-v3.6-rc6-next-20120917.xz
- www.securityfocus.com/bid/91502 (vdb-entry)
- www.securitytracker.com/id/1036190 (vdb-entry)
Frequently asked questions
- What is CVE-2012-6703?
- CVE-2012-6703 is a high-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2016-06-29.
- How severe is CVE-2012-6703?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2012-6703 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.