CVE-2024-26930: linux kernel Double Free — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix double free of the ha->vp_map pointer Coverity scan reported potential risk of double free of the pointer ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again freed in function qla2x00_mem_free(ha). Assign NULL to vp_map and kfree take care of NULL.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.3 — 6.6.24
linux	linux_kernel	6.7 — 6.7.12
linux	linux_kernel	6.8 — 6.8.3
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/825d63164a2e6bacb059a9afb5605425b485413f https://git.kernel.org/stable/c/b7deb675d674f44e0ddbab87fee8f9f098925e73 https://git.kernel.org/stable/c/e288285d47784fdcf7c81be56df7d65c6f10c58b https://git.kernel.org/stable/c/f14cee7a882cb79528f17a2335f53e9fd1848467 https://git.kernel.org/stable/c/825d63164a2e6bacb059a9afb5605425b485413f https://git.kernel.org/stable/c/b7deb675d674f44e0ddbab87fee8f9f098925e73 https://git.kernel.org/stable/c/e288285d47784fdcf7c81be56df7d65c6f10c58b https://git.kernel.org/stable/c/f14cee7a882cb79528f17a2335f53e9fd1848467

Frequently Asked Questions

What is CVE-2024-26930? +

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix double free of the ha->vp_map pointer Coverity scan reported potential risk of double free of the pointer ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again freed in function qla2x00_mem_free(ha). Assign NULL to vp_map and kfree take care of NULL. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-26930? +

CVE-2024-26930 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-26930? +

CVE-2024-26930 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-2024-26930? +

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-2024-26930