VulnerabilityModified

CVE-2016-6187

The apparmor_setprocattr function in security/apparmor/lsm.c in the Linux kernel before 4.6.5 does not validate the buffer size, which allows local users to gain privileges by triggering an AppArmor setprocattr hook.

HIGH 7.8EPSS 2.40%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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: 2.40% probability · 83th percentile
CISA KEV: Not listed
Weakness: CWE-119, CWE-264
Affected: linux/linux kernel
Source: cve@mitre.org

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a46a4647fd1df9cf52e43bf467f0d9265096caIssue Tracking, Patch
http://marc.info/?l=linux-kernel&m=146793642811929&w=2Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5Release Notes
http://www.openwall.com/lists/oss-security/2016/07/09/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/91696Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1354383Issue Tracking
https://github.com/torvalds/linux/commit/30a46a4647fd1df9cf52e43bf467f0d9265096caIssue Tracking, Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a46a4647fd1df9cf52e43bf467f0d9265096caIssue Tracking, Patch
http://marc.info/?l=linux-kernel&m=146793642811929&w=2Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5Release Notes
http://www.openwall.com/lists/oss-security/2016/07/09/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/91696Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1354383Issue Tracking
https://github.com/torvalds/linux/commit/30a46a4647fd1df9cf52e43bf467f0d9265096caIssue Tracking, Patch

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.