Unrated severityNVD Advisory· Published Oct 29, 2024· Updated Jan 11, 2026

blk-mq: setup queue ->tag_set before initializing hctx

CVE-2024-50081

Description

In the Linux kernel, the following vulnerability has been resolved:

Commit 7b815817aa58 ("blk-mq: add helper for checking if one CPU is mapped to specified hctx") needs to check queue mapping via tag set in hctx's cpuhp handler.

However, q->tag_set may not be setup yet when the cpuhp handler is enabled, then kernel oops is triggered.

Fix the issue by setup queue tag_set before initializing hctx.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

106

Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 6.10
osv-coords104 versions
pkg:deb/ubuntu/linux@6.11.0-18.18?arch=source&distro=oracular pkg:deb/ubuntu/linux-aws@6.11.0-1009.10?arch=source&distro=oracular pkg:deb/ubuntu/linux-azure@6.11.0-1009.9?arch=source&distro=oracular pkg:deb/ubuntu/linux-gcp@6.11.0-1009.9?arch=source&distro=oracular pkg:deb/ubuntu/linux-lowlatency@6.11.0-1010.11?arch=source&distro=oracular pkg:deb/ubuntu/linux-oracle@6.11.0-1011.12?arch=source&distro=oracular pkg:deb/ubuntu/linux-raspi@6.11.0-1008.8?arch=source&distro=oracular pkg:deb/ubuntu/linux-realtime@6.11.0-1005.5?arch=source&distro=oracular pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%20Micro%205.5 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-source-longterm&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-coco_debug&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_4&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_4&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-livepatch-MICRO-6-0_Update_4&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-livepatch-MICRO-6-0_Update_4&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_22&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_21&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-source-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-syms-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6
< 6.11.0-18.18+ 103 more
- (no CPE)range: < 6.11.0-18.18
- (no CPE)range: < 6.11.0-1009.10
- (no CPE)range: < 6.11.0-1009.9
- (no CPE)range: < 6.11.0-1009.9
- (no CPE)range: < 6.11.0-1010.11
- (no CPE)range: < 6.11.0-1011.12
- (no CPE)range: < 6.11.0-1008.8
- (no CPE)range: < 6.11.0-1005.5
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.33.72.1
- (no CPE)range: < 6.4.0-150600.8.17.2
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-150600.23.30.1.150600.12.12.6
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 5.14.21-150500.33.72.1
- (no CPE)range: < 6.4.0-150600.8.17.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.11.8-1.1
- (no CPE)range: < 6.12.11-1.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 5.14.21-150500.33.72.1
- (no CPE)range: < 6.4.0-150600.8.17.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.33.72.1
- (no CPE)range: < 6.4.0-150600.8.17.2
- (no CPE)range: < 6.4.0-15061.9.coco15sp6.1
- (no CPE)range: < 6.4.0-15061.9.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.88.1.150500.6.39.4
- (no CPE)range: < 5.14.21-150500.55.88.1.150500.6.39.4
- (no CPE)range: < 6.4.0-150600.23.30.1.150600.12.12.6
- (no CPE)range: < 6.4.0-24.1.21.4
- (no CPE)range: < 6.4.0-24.1.21.4
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-24.1
- (no CPE)range: < 6.4.0-24.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-24.1
- (no CPE)range: < 6.4.0-24.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 1-1.2
- (no CPE)range: < 1-1.2
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.5.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 1-150600.13.3.5
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-22.1
- (no CPE)range: < 6.4.0-22.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 5.14.21-150500.33.72.1
- (no CPE)range: < 6.4.0-150600.8.17.1
- (no CPE)range: < 6.4.0-15061.9.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 6.4.0-24.1
- (no CPE)range: < 6.4.0-24.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-22.1
- (no CPE)range: < 6.4.0-22.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 5.14.21-150500.33.72.1
- (no CPE)range: < 6.4.0-150600.8.17.1
- (no CPE)range: < 6.4.0-15061.9.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1
- (no CPE)range: < 5.14.21-150500.13.76.1
- (no CPE)range: < 6.4.0-150600.10.20.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.30.1

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

blk-mq: setup queue ->tag_set before initializing hctx

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions