Unrated severityNVD Advisory· Published Dec 24, 2025· Updated Apr 15, 2026
CVE-2023-54046
CVE-2023-54046
Description
In the Linux kernel, the following vulnerability has been resolved:
crypto: essiv - Handle EBUSY correctly
As it is essiv only handles the special return value of EINPROGERSS, which means that in all other cases it will free data related to the request.
However, as the caller of essiv may specify MAY_BACKLOG, we also need to expect EBUSY and treat it in the same way. Otherwise backlogged requests will trigger a use-after-free.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
76- osv-coords75 versionspkg:linux/kernelpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_48&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_34&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%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-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%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-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS
>= 5.4.0, < 5.4.235+ 74 more
- (no CPE)range: >= 5.4.0, < 5.4.235
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 1-150400.9.7.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150500.13.118.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150500.13.118.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/69c67d451fc19d88e54f7d97e8e7c093e08357e1nvd
- git.kernel.org/stable/c/796e02cca30a67322161f0745e5ce994bbe75605nvd
- git.kernel.org/stable/c/840a1d3b77c1b062bd62b4733969a5b1efc274cenvd
- git.kernel.org/stable/c/a006aa3eedb8bfd6fe317c3cfe9c86ffe76b2385nvd
- git.kernel.org/stable/c/b5a772adf45a32c68bef28e60621f12617161556nvd
- git.kernel.org/stable/c/c61e7d182ee3f3f5ecf18a2964e303d49c539b52nvd
News mentions
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