Vulnerability in Linux Kernel
CVE-2015-6526
The perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel before 4.0.2 on ppc64 platforms allows local users to cause a denial of service (infinite loop) via a deep 64-bit userspace backtrace.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (31.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/torvalds/linux/commit/9a5cbce421a283e6aea3c4007f141735bf9da8c3
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- www.ubuntu.com/usn/USN-2760-1 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- www.ubuntu.com/usn/USN-2759-1 (vendor-advisory)
- www.openwall.com/lists/oss-security/2015/08/18/4 (mailing-list)
- www.securitytracker.com/id/1033728 (vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
- www.securityfocus.com/bid/76401 (vdb-entry)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2