Vulnerability in Linux Kernel
CVE-2017-5577
The vc4_get_bcl function in drivers/gpu/drm/vc4/vc4_gem.c in the VideoCore DRM driver in the Linux kernel before 4.9.7 does not set an errno value upon certain overflow detections, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) via inconsistent size values in a VC4_SUBMIT_CL ioctl call.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.3% 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)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2017/01/21/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/95765 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/torvalds/linux/commit/6b8ac63847bc2f958dd93c09edc941a0118992d9 (Patch, Third Party Advisory, Issue Tracking)
- lkml.org/lkml/2017/1/17/759 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7 (Release Notes, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-5577?
- CVE-2017-5577 is a medium-severity vulnerability in Linux Kernel, classified under CWE-388. CVSS score: 5.5/10. Published 2017-02-06.
- How severe is CVE-2017-5577?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-5577 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.