Unrated severityNVD Advisory· Published Oct 22, 2025· Updated Apr 15, 2026
CVE-2022-50567
CVE-2022-50567
Description
In the Linux kernel, the following vulnerability has been resolved:
fs: jfs: fix shift-out-of-bounds in dbAllocAG
Syzbot found a crash : UBSAN: shift-out-of-bounds in dbAllocAG. The underlying bug is the missing check of bmp->db_agl2size. The field can be greater than 64 and trigger the shift-out-of-bounds.
Fix this bug by adding a check of bmp->db_agl2size in dbMount since this field is used in many following functions. The upper bound for this field is L2MAXL2SIZE - L2MAXAG, thanks for the help of Dave Kleikamp. Note that, for maintenance, I reorganized error handling code of dbMount.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
85- osv-coords84 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-base&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Manager%20Server%20LTS%204.3pkg: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-default&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Server%20LTS%204.3pkg: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_46&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_32&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&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Server%20LTS%204.3pkg: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-syms&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Server%20LTS%204.3pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Manager%20Server%20LTS%204.3
>= 2.6.12, < 4.9.337+ 83 more
- (no CPE)range: >= 2.6.12, < 4.9.337
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 1-150400.9.5.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150500.13.112.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150500.13.112.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
Patches
Vulnerability mechanics
References
9- git.kernel.org/stable/c/0536f76a2bca83d1a3740517ba22cc93a44b3099nvd
- git.kernel.org/stable/c/2c575c8905f7a8b32d5611b91856b69bac2a5bf1nvd
- git.kernel.org/stable/c/3115313cf03113e87c87adee18ee49a20bbdb9banvd
- git.kernel.org/stable/c/359616ce587e524107730504891afa4b1a8be58cnvd
- git.kernel.org/stable/c/3e997e4ce8ae7ab89d72334120f6aee49c5bbdbdnvd
- git.kernel.org/stable/c/67973caae78e21ee46a7281aaa8ca364eb9c444fnvd
- git.kernel.org/stable/c/898f706695682b9954f280d95e49fa86ffa55d08nvd
- git.kernel.org/stable/c/d3b486946a4e62c7ef6023f7d9c1d049051384banvd
- git.kernel.org/stable/c/eea87acb6027be3dd4d3c57186bb22800d57fddanvd
News mentions
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