CVE-2024-56748: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix a possible memory leak in qedf_alloc_and_init_sb() Hook "qed_ops->common->sb_init = qed_sb_init" does not release the DMA memory sb_virt when it fails. Add dma_free_coherent() to free it. This is the same way as qedr_alloc_mem_sb() and qede_alloc_mem_sb().

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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	4.11 — 5.4.287
linux	linux_kernel	5.5 — 5.10.231
linux	linux_kernel	5.11 — 5.15.174
linux	linux_kernel	5.16 — 6.1.120
linux	linux_kernel	6.2 — 6.6.64
linux	linux_kernel	6.7 — 6.11.11
linux	linux_kernel	6.12 — 6.12.2

References

Advisories & Patches

https://git.kernel.org/stable/c/0e04bd5a11dffe8c1c0e4c9fc79f7d3cd6182dd5 https://git.kernel.org/stable/c/64654bf5efb3f748e6fc41227adda689618ce9c4 https://git.kernel.org/stable/c/78a169dc69fbdaf114c40e2d56955bf6bd4fc3c0 https://git.kernel.org/stable/c/7c1832287b21ff68c4e3625e63cc7619edf5908b https://git.kernel.org/stable/c/97384449ddfc07f12ca75f510eb070020d7abb34 https://git.kernel.org/stable/c/a56777a3ef5b35e24a20c4418bcf88bad033807a https://git.kernel.org/stable/c/b514f45e0fe18d763a1afc34401b1585333cb329 https://git.kernel.org/stable/c/c62c30429db3eb4ced35c7fcf6f04a61ce3a01bb

Other References

https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Frequently Asked Questions

What is CVE-2024-56748? +

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix a possible memory leak in qedf_alloc_and_init_sb() Hook "qed_ops->common->sb_init = qed_sb_init" does not release the DMA memory sb_virt when it fails. Add dma_free_coherent() to free it. This is the same way as qedr_alloc_mem_sb() and qede_alloc_mem_sb(). It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56748? +

CVE-2024-56748 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-2024-56748? +

CVE-2024-56748 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-2024-56748? +

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-2024-56748