Unrated severityNVD Advisory· Published Dec 29, 2024· Updated Nov 3, 2025
nvme-pci: fix freeing of the HMB descriptor table
CVE-2024-56756
Description
In the Linux kernel, the following vulnerability has been resolved:
nvme-pci: fix freeing of the HMB descriptor table
The HMB descriptor table is sized to the maximum number of descriptors that could be used for a given device, but __nvme_alloc_host_mem could break out of the loop earlier on memory allocation failure and end up using less descriptors than planned for, which leads to an incorrect size passed to dma_free_coherent.
In practice this was not showing up because the number of descriptors tends to be low and the dma coherent allocator always allocates and frees at least a page.
Affected products
115- osv-coords112 versionspkg:deb/ubuntu/linux@6.11.0-18.18?arch=source&distro=oracularpkg:deb/ubuntu/linux-aws@6.11.0-1009.10?arch=source&distro=oracularpkg:deb/ubuntu/linux-azure@6.11.0-1009.9?arch=source&distro=oracularpkg:deb/ubuntu/linux-gcp@6.11.0-1009.9?arch=source&distro=oracularpkg:deb/ubuntu/linux-lowlatency@6.11.0-1010.11?arch=source&distro=oracularpkg:deb/ubuntu/linux-oracle@6.11.0-1011.12?arch=source&distro=oracularpkg:deb/ubuntu/linux-raspi@6.11.0-1008.8?arch=source&distro=oracularpkg:deb/ubuntu/linux-realtime@6.11.0-1005.5?arch=source&distro=oracularpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&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-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg: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%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-coco_debug&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg: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%205.5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg: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%20SP5pkg: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&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg: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%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-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%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1pkg: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%20Module%20for%20Development%20Tools%2015%20SP6pkg: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%20SP5pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_5&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-livepatch-MICRO-6-0_Update_5&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0_Update_5&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_23&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_7&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_7&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg: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%20Module%20for%20Development%20Tools%2015%20SP6pkg: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%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg: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%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-source-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg: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%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-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%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg: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%20SP6pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-syms-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg: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%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-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%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_64&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 6.11.0-18.18+ 111 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: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.8.23.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1.150600.12.14.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 6.4.0-150600.8.23.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 6.4.0-150600.8.23.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.8.23.1
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.94.1.150500.6.43.1
- (no CPE)range: < 5.14.21-150500.55.94.1.150500.6.43.1
- (no CPE)range: < 5.14.21-150500.55.94.1.150500.6.43.1
- (no CPE)range: < 6.4.0-150600.23.33.1.150600.12.14.1
- (no CPE)range: < 5.14.21-150500.55.94.1.150500.6.43.1
- (no CPE)range: < 5.14.21-150500.55.94.1.150500.6.43.1
- (no CPE)range: < 6.4.0-24.1.21.4
- (no CPE)range: < 6.4.0-24.1.21.4
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 4.12.14-122.244.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 4.12.14-122.244.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 4.12.14-122.244.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (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: < 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: < 1-150600.1.3.1
- (no CPE)range: < 1-150600.13.3.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 5.14.21-150500.13.85.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 6.4.0-150600.8.23.1
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 4.12.14-122.244.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 4.12.14-122.244.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 5.14.21-150500.13.85.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 6.4.0-150600.8.23.1
- (no CPE)range: < 6.4.0-15061.12.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 4.12.14-122.244.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 4.12.14-122.244.1
- (no CPE)range: < 6.4.0-150600.10.23.1
- (no CPE)range: < 6.4.0-150600.23.33.1
- (no CPE)range: < 5.14.21-150500.55.94.1
- (no CPE)range: < 1-8.5.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/stable/c/3c2fb1ca8086eb139b2a551358137525ae8e0d7amitre
- git.kernel.org/stable/c/452f9ddd12bebc04cef741e8ba3806bf0e1fd015mitre
- git.kernel.org/stable/c/582d9ed999b004fb1d415ecbfa86d4d8df455269mitre
- git.kernel.org/stable/c/6d0f599db73b099aa724a12736369c4d4d92849dmitre
- git.kernel.org/stable/c/869cf50b9c9d1059f5223f79ef68fc0bc6210095mitre
- git.kernel.org/stable/c/ac22240540e0c5230d8c4138e3778420b712716amitre
- git.kernel.org/stable/c/cee3bff51a35cab1c5d842d409a7b11caefe2386mitre
- git.kernel.org/stable/c/fb96d5cfa97a7363245b3dd523f475b04296d87bmitre
News mentions
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