Critical severity9.8NVD Advisory· Published Jan 23, 2026· Updated Apr 27, 2026
CVE-2026-22984
CVE-2026-22984
Description
In the Linux kernel, the following vulnerability has been resolved:
libceph: prevent potential out-of-bounds reads in handle_auth_done()
Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout.
[ idryomov: changelog ]
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
153cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.11,<5.15.198
- cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
- (no CPE)
- osv-coords147 versionspkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-64kpkg:rpm/almalinux/kernel-64k-corepkg:rpm/almalinux/kernel-64k-debugpkg:rpm/almalinux/kernel-64k-debug-corepkg:rpm/almalinux/kernel-64k-debug-develpkg:rpm/almalinux/kernel-64k-debug-devel-matchedpkg:rpm/almalinux/kernel-64k-debug-modulespkg:rpm/almalinux/kernel-64k-debug-modules-corepkg:rpm/almalinux/kernel-64k-debug-modules-extrapkg:rpm/almalinux/kernel-64k-develpkg:rpm/almalinux/kernel-64k-devel-matchedpkg:rpm/almalinux/kernel-64k-modulespkg:rpm/almalinux/kernel-64k-modules-corepkg:rpm/almalinux/kernel-64k-modules-extrapkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-devel-matchedpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-debug-uki-virtpkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-devel-matchedpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-corepkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-64kpkg:rpm/almalinux/kernel-rt-64k-corepkg:rpm/almalinux/kernel-rt-64k-debugpkg:rpm/almalinux/kernel-rt-64k-debug-corepkg:rpm/almalinux/kernel-rt-64k-debug-develpkg:rpm/almalinux/kernel-rt-64k-debug-modulespkg:rpm/almalinux/kernel-rt-64k-debug-modules-corepkg:rpm/almalinux/kernel-rt-64k-debug-modules-extrapkg:rpm/almalinux/kernel-rt-64k-develpkg:rpm/almalinux/kernel-rt-64k-modulespkg:rpm/almalinux/kernel-rt-64k-modules-corepkg:rpm/almalinux/kernel-rt-64k-modules-extrapkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-debug-modules-corepkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-corepkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-uki-virtpkg:rpm/almalinux/kernel-uki-virt-addonspkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-devel-matchedpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-corepkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/libperfpkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/rtlapkg:rpm/almalinux/rvpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 4.18.0-553.132.1.el8_10+ 146 more
- (no CPE)range: < 4.18.0-553.132.1.el8_10
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 5.14.0-687.10.1.el9_8
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1.150700.17.21.1
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 1-150700.1.3.2
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.7.31.2
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-150700.7.31.1
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.7.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96nvdPatch
- git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2nvdPatch
- git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8nvdPatch
- git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5envdPatch
- git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9nvdPatch
- git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3nvdPatch
News mentions
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