Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 3.8.11-1 | — |
| Debian 13 | linux | 3.8.11-1 | — |
| Debian 12 | linux | 3.8.11-1 | — |
References
- [oss-security] 20160628 Re: CVE Request: integer overflow in ALSA snd_compress_check_input mailing-list
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b35cc8225845112a616e3a2266d2fde5ab13d3ab
- https://github.com/torvalds/linux/commit/b35cc8225845112a616e3a2266d2fde5ab13d3ab
- https://bugzilla.redhat.com/show_bug.cgi?id=1351076
- https://www.kernel.org/pub/linux/kernel/next/patch-v3.6-rc6-next-20120917.xz
- 91502 vdb-entry
- 1036190 vdb-entry