High severity7.8NVD Advisory· Published Dec 29, 2024· Updated Aug 4, 2026
CVE-2024-56709
CVE-2024-56709
Description
In the Linux kernel, the following vulnerability has been resolved:
io_uring: check if iowq is killed before queuing
task work can be executed after the task has gone through io_uring termination, whether it's the final task_work run or the fallback path. In this case, task work will find ->io_wq being already killed and null'ed, which is a problem if it then tries to forward the request to io_queue_iowq(). Make io_queue_iowq() fail requests in this case.
Note that it also checks PF_KTHREAD, because the user can first close a DEFER_TASKRUN ring and shortly after kill the task, in which case ->iowq check would race.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
149- osv-coords138 versionspkg:deb/ubuntu/[email protected]?arch=source&distro=oracularpkg:linux/kernelpkg:rpm/suse/kernel-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-source-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_5&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-rt-64k-corepkg:rpm/almalinux/kernel-rt-64k-debug-develpkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-MICRO-6-0_Update_5&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0_Update_5&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_5&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:deb/ubuntu/[email protected]?arch=source&distro=oracularpkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-coco_debug&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-syms-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg: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-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-modulespkg:rpm/almalinux/kernel-modules-corepkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-64kpkg:rpm/almalinux/kernel-rt-64k-debugpkg:rpm/almalinux/kernel-rt-64k-debug-corepkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-modulespkg: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-devel-matchedpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg: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-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-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-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-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/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6
< 6.11.0-1010.10+ 137 more
- (no CPE)range: < 6.11.0-1010.10
- (no CPE)range: >= 5.14.0, < 6.1.122
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-24.1.21.4
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 1-1.2
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-150600.8.26.1
- (no CPE)range: < 6.4.0-150600.8.26.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-24.1.21.4
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 1-1.2
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1.150600.12.16.2
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 1-150600.13.3.2
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1.150600.12.16.2
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.10.26.1
- (no CPE)range: < 6.4.0-150600.10.26.1
- (no CPE)range: < 6.4.0-150600.10.26.1
- (no CPE)range: < 6.4.0-150600.10.26.1
- (no CPE)range: < 6.4.0-150600.10.26.1
- (no CPE)range: < 6.11.0-1011.12
- (no CPE)range: < 6.4.0-150600.8.26.1
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 6.4.0-150600.10.26.1
- (no CPE)range: < 6.4.0-150600.8.26.1
- (no CPE)range: < 6.4.0-150600.8.26.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 6.4.0-150600.10.26.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.8.26.1
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 5.14.0-611.5.1.el9_7
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.23.38.1
- (no CPE)range: < 6.4.0-150600.10.26.1
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 10 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.14.1,<6.1.122
- cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.14:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.14:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.14:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.14:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 5.14
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/2ca94c8de36091067b9ce7527ae8db3812d38781nvdPatch
- git.kernel.org/stable/c/4f95a2186b7f2af09331e1e8069bcaf34fe019cfnvdPatch
- git.kernel.org/stable/c/534d59ab38010aada88390db65985e65d0de7d9envdPatch
- git.kernel.org/stable/c/dbd2ca9367eb19bc5e269b8c58b0b1514ada9156nvdPatch
- lists.debian.org/debian-lts-announce/2025/03/msg00001.htmlnvd
News mentions
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