# CVE-2024-53131: linux: In the Linux kernel, the following vulnerability has been resolved:  nilfs2: fix null-ptr-deref in block_touch_buffer...

CVE-2024-53131 is fixed in 61 products on 1 platform, first by DEBIAN-CVE-2024-53131, released December 4, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-53131
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 4, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint  Patch series "nilfs2: fix null-ptr-deref bugs on block tracepoints".  This series fixes null pointer dereference bugs that occur when using nilfs2 and two block-related tracepoints.   This patch (of 2):  It has been reported that when using "block:block_touch_buffer" tracepoint, touch_buffer() called from __nilfs_get_folio_block() causes a NULL pointer dereference, or a general protection fault when KASAN is enabled.  This happens because since the tracepoint was added in touch_buffer(), it references the dev_t member bh->b_bdev->bd_dev regardless of whether the buffer head has a pointer to a block_device structure.  In the current implementation, the block_device structure is set after the function returns to the caller.  Here, touch_buffer() is used to mark the folio/page that owns the buffer head as accessed, but the common search helper for folio/page used by the caller function was optimized to mark the folio/page as accessed when it was reimplemented a long time ago, eliminating the need to call touch_buffer() here in the first place.  So this solves the issue by eliminating the touch_buffer() call itself.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | bpftool ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | bpftool ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | dtb-aarch64 opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-64kb opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-64kb sles 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-azure opensuse-leap 15.6 | 6.4.0-150600.8.23.1 | [SUSE-SU-2025:0117-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0117-1.md) | Jan 15, 2025 |
| Linux | kernel-azure sles 15.6 | 6.4.0-150600.8.23.1 | [SUSE-SU-2025:0117-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0117-1.md) | Jan 15, 2025 |
| Linux | kernel-coco sles 15.6 | 6.4.0-15061.12.coco15sp6.1 | [SUSE-SU-2025:0289-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0289-1.md) | Jan 29, 2025 |
| Linux | kernel-coco_debug sles 15.6 | 6.4.0-15061.12.coco15sp6.1 | [SUSE-SU-2025:0289-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0289-1.md) | Jan 29, 2025 |
| Linux | kernel-debug opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-default opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-default sles 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-default-base opensuse-leap 15.6 | 6.4.0-150600.23.33.1.150600.12.14.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-default-base sles 15.6 | 6.4.0-150600.23.33.1.150600.12.14.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-devel amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-docs opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-docs sles 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-headers amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-kvmsmall opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-libbpf amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-livepatch-6.1.119-129.201 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-livepatch-SLE15-SP6-RT_Update_7 sles 15.6 | 1-150600.1.3.1 | [SUSE-SU-2025:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0153-1.md) | Jan 17, 2025 |
| Linux | kernel-livepatch-SLE15-SP6_Update_7 sles 15.6 | 1-150600.13.3.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-obs-build opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-obs-build sles 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-obs-qa opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-rt opensuse-leap 15.6 | 6.4.0-150600.10.23.1 | [SUSE-SU-2025:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0153-1.md) | Jan 17, 2025 |
| Linux | kernel-rt_debug opensuse-leap 15.6 | 6.4.0-150600.10.23.1 | [SUSE-SU-2025:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0153-1.md) | Jan 17, 2025 |
| Linux | kernel-source opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-source sles 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-source-azure opensuse-leap 15.6 | 6.4.0-150600.8.23.1 | [SUSE-SU-2025:0117-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0117-1.md) | Jan 15, 2025 |
| Linux | kernel-source-azure sles 15.6 | 6.4.0-150600.8.23.1 | [SUSE-SU-2025:0117-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0117-1.md) | Jan 15, 2025 |
| Linux | kernel-source-coco sles 15.6 | 6.4.0-15061.12.coco15sp6.1 | [SUSE-SU-2025:0289-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0289-1.md) | Jan 29, 2025 |
| Linux | kernel-source-rt opensuse-leap 15.6 | 6.4.0-150600.10.23.1 | [SUSE-SU-2025:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0153-1.md) | Jan 17, 2025 |
| Linux | kernel-syms opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-syms sles 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-syms-azure opensuse-leap 15.6 | 6.4.0-150600.8.23.1 | [SUSE-SU-2025:0117-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0117-1.md) | Jan 15, 2025 |
| Linux | kernel-syms-azure sles 15.6 | 6.4.0-150600.8.23.1 | [SUSE-SU-2025:0117-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0117-1.md) | Jan 15, 2025 |
| Linux | kernel-syms-coco sles 15.6 | 6.4.0-15061.12.coco15sp6.1 | [SUSE-SU-2025:0289-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0289-1.md) | Jan 29, 2025 |
| Linux | kernel-syms-rt opensuse-leap 15.6 | 6.4.0-150600.10.23.1 | [SUSE-SU-2025:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0153-1.md) | Jan 17, 2025 |
| Linux | kernel-tools amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | kernel-uek ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-container ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-container ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-container-debug ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-container-debug ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-core ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-core ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-core ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-core ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-devel ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-modules ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-modules ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-modules-extra ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-debug-modules-extra ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-devel ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-devel ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-doc ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-doc ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-modules ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-modules ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-modules-extra ol 8 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-modules-extra ol 9 | 0:5.15.0-305.176.4.el9uek | [ELSA-2025-20095](https://patchblox.com/security/data/fix/linux/elsa-2025-20095.md) | Feb 9, 2025 |
| Linux | kernel-uek-tools ol 8 | 0:5.4.17-2136.340.4.1.el7uek | [ELSA-2025-20100](https://patchblox.com/security/data/fix/linux/elsa-2025-20100.md) | Feb 12, 2025 |
| Linux | kernel-zfcpdump opensuse-leap 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | kernel-zfcpdump sles 15.6 | 6.4.0-150600.23.33.1 | [SUSE-SU-2025:0154-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0154-1.md) | Jan 17, 2025 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.119-1 | [DEBIAN-CVE-2024-53131](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53131.md) | Dec 4, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.11.10-1 | [DEBIAN-CVE-2024-53131](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53131.md) | Dec 4, 2024 |
| Linux | linux Debian 14 | 6.11.10-1 | [DEBIAN-CVE-2024-53131](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53131.md) | Dec 4, 2024 |
| Linux | perf amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | perf-debuginfo amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | python3-perf amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.119-129.201.amzn2023 | [ALAS2023-2025-802](https://patchblox.com/security/data/fix/linux/alas2023-2025-802.md) | Jan 16, 2025 |

---

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