Unrated severityNVD Advisory· Published Oct 21, 2021· Updated Aug 4, 2024
CVE-2021-42327
CVE-2021-42327
Description
dp_link_settings_write in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c in the Linux kernel through 5.14.14 allows a heap-based buffer overflow by an attacker who can write a string to the AMD GPU display drivers debug filesystem. There are no checks on size within parse_write_buffer_into_params when it uses the size of copy_from_user to copy a userspace buffer into a 40-byte heap buffer.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
17- Linux/Linux kerneldescription
- Range: <= 5.14.14
- osv-coords15 versionspkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5
< 5.14.21-150500.13.58.1+ 14 more
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150400.15.106.1
- (no CPE)range: < 5.14.21-150400.15.106.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150400.15.106.1
- (no CPE)range: < 5.14.21-150400.15.106.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 5.14.21-150500.13.58.1
Patches
Vulnerability mechanics
References
4- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/mitrevendor-advisory
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/mitre
- security.netapp.com/advisory/ntap-20211118-0005/mitre
- www.mail-archive.com/amd-gfx%40lists.freedesktop.org/msg69080.htmlmitre
News mentions
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