What’s Vulnerable › Vulnerabilities

CVE-2017-5577

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-06 · updated 2026-06-17
• Weakness: CWE-388

Description

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.

Affected products

• Linux kernel: through 4.9.6

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8ac63847bc2f958dd93c09edc941a0118992d9
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7
• http://www.openwall.com/lists/oss-security/2017/01/21/7
• http://www.securityfocus.com/bid/95765
• https://bugzilla.redhat.com/show_bug.cgi?id=1416437
• https://github.com/torvalds/linux/commit/6b8ac63847bc2f958dd93c09edc941a0118992d9
• https://lkml.org/lkml/2017/1/17/759
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8ac63847bc2f958dd93c09edc941a0118992d9
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7
• http://www.openwall.com/lists/oss-security/2017/01/21/7
• http://www.securityfocus.com/bid/95765
• https://bugzilla.redhat.com/show_bug.cgi?id=1416437

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