CVE-2024-44969: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: s390/sclp: Prevent release of buffer in I/O When a task waiting for completion of a Store Data operation is interrupted, an attempt is made to halt this operation. If this attempt fails due to a hardware or firmware problem, there is a chance that the SCLP facility might store data into buffers referenced by the original operation at a later time. Handle this situation by not releasing the referenced data buffers if the halt attempt fails. For current use cases, this might result in a leak of few pages of memory in case of a rare hardware/firmware malfunction.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 4.19.320
linux	linux_kernel	4.20 — 5.4.282
linux	linux_kernel	5.5 — 5.10.224
linux	linux_kernel	5.11 — 5.15.165
linux	linux_kernel	5.16 — 6.1.105
linux	linux_kernel	6.2 — 6.6.46
linux	linux_kernel	6.7 — 6.10.5

References

Advisories & Patches

https://git.kernel.org/stable/c/1e8b7fb427af6b2ddd54eff66a6b428a81c96633 https://git.kernel.org/stable/c/1ec5ea9e25f582fd6999393e2f2c3bf56f234e05 https://git.kernel.org/stable/c/2429ea3b4330e3653b72b210a0d5f2a717359506 https://git.kernel.org/stable/c/46f67233b011385d53cf14d272431755de3a7c79 https://git.kernel.org/stable/c/7a7e60ed23d471a07dbbe72565d2992ee8244bbe https://git.kernel.org/stable/c/a3e52a4c22c846858a6875e1c280030a3849e148 https://git.kernel.org/stable/c/a88a49473c94ccfd8dce1e766aacf3c627278463 https://git.kernel.org/stable/c/bf365071ea92b9579d5a272679b74052a5643e35

Other References

https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Frequently Asked Questions

What is CVE-2024-44969? +

In the Linux kernel, the following vulnerability has been resolved: s390/sclp: Prevent release of buffer in I/O When a task waiting for completion of a Store Data operation is interrupted, an attempt is made to halt this operation. If this attempt fails due to a hardware or firmware problem, there is a chance that the SCLP facility might store data into buffers referenced by the original operation at a later time. Handle this situation by not releasing the referenced data buffers if the halt attempt fails. For current use cases, this might result in a leak of few pages of memory in case of a rare hardware/firmware malfunction. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-44969? +

CVE-2024-44969 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-44969? +

CVE-2024-44969 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-44969? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-44969