CVE-2016-9794
Race condition in the snd_pcm_period_elapsed function in sound/core/pcm_lib.c in the ALSA subsystem in the Linux kernel before 4.7 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Race condition in the snd_pcm_period_elapsed function in sound/core/pcm_lib.c in the ALSA subsystem in the Linux kernel before 4.7 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted SNDRV_PCM_TRIGGER_START command.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.34% probability · 27th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362, CWE-416
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/03/2Mailing List, Patch
- http://www.securityfocus.com/bid/94654Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1401494Issue Tracking
- https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4Patch, Vendor Advisory
- https://patchwork.kernel.org/patch/8752621/Issue Tracking
- https://source.android.com/security/bulletin/2017-05-01Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/03/2Mailing List, Patch
- http://www.securityfocus.com/bid/94654Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1401494Issue Tracking
- https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4Patch, Vendor Advisory
- https://patchwork.kernel.org/patch/8752621/Issue Tracking
- https://source.android.com/security/bulletin/2017-05-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.