What’s Vulnerable › Vulnerabilities

CVE-2024-56748: scsi: qedf: Fix a possible memory leak in qedf_alloc_and_init_sb()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-29 · updated 2026-06-17
• Weakness: CWE-401

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().

Affected products

• Linux kernel: from 4.11 before 5.4.287; from 5.5 before 5.10.231; from 5.11 before 5.15.174; from 5.16 before 6.1.120; from 6.2 before 6.6.64; from 6.7 before 6.11.11 — fixed in 5.10.231, 5.15.174, 5.4.287, 6.1.120, 6.11.11, 6.12.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.231, 5.15.174, 5.4.287, 6.1.120. Check the vendor advisory for mitigations.

References

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

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