Medium severity5.3NVD Advisory· Published Dec 29, 2024· Updated Jun 17, 2026
CVE-2024-56738
CVE-2024-56738
Description
GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21- osv-coords18 versionspkg:rpm/opensuse/grub2&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/grub2&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/grub2&distro=openSUSE%20Tumbleweedpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Micro%206.2
< 2.12-150600.8.34.1+ 17 more
- (no CPE)range: < 2.12-150600.8.34.1
- (no CPE)range: < 2.12-160000.3.1
- (no CPE)range: < 2.12-56.1
- (no CPE)range: < 2.04-150300.3.14.2
- (no CPE)range: < 2.04-150300.22.58.1
- (no CPE)range: < 2.06-150400.11.63.1
- (no CPE)range: < 2.06-150400.11.63.1
- (no CPE)range: < 2.06-150500.29.53.1
- (no CPE)range: < 2.12-150600.8.34.1
- (no CPE)range: < 2.12-150700.19.13.2
- (no CPE)range: < 2.12-150600.8.34.1
- (no CPE)range: < 2.12-150700.19.13.2
- (no CPE)range: < 2.12-160000.3.1
- (no CPE)range: < 2.02-190.1
- (no CPE)range: < 2.12-160000.3.1
- (no CPE)range: < 2.12~rc1-7.1
- (no CPE)range: < 2.12-slfo.1.1_2.1
- (no CPE)range: < 2.12-160000.3.1
Patches
Vulnerability mechanics
News mentions
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