scsi: qla2xxx: Fix improper freeing of purex item (Linux Linux)

CVE-2025-68741
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.43 % · centile 37 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Deferred

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix improper freeing of purex item In qla2xxx_process_purls_iocb(), an item is allocated via qla27xx_copy_multiple_pkt(), which internally calls qla24xx_alloc_purex_item(). The qla24xx_alloc_purex_item() function may return a pre-allocated item from a per-adapter pool for small allocations, instead of dynamically allocating memory with kzalloc(). An error handling path in qla2xxx_process_purls_iocb() incorrectly uses kfree() to release the item. If the item was from the pre-allocated pool, calling kfree() on it is a bug that can lead to memory corruption. Fix this by using the correct deallocation function, qla24xx_free_purex_item(), which properly handles both dynamically allocated and pre-allocated items.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
Linux · Linuxaffected 875386b98857822b77ac7f95bdf367b70af5b78c < 4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9 ; affected 875386b98857822b77ac7f95bdf367b70af5b78c < 8e9f0a0717ba31d5842721627ade1e62d7aec012 ; affected 875386b98857822b77ac7f95bdf367b70af5b78c < cfe3e2f768d248fd3d965d561d0768a56dd0b9f8 ; affected 875386b98857822b77ac7f95bdf367b70af5b78c < 5fa1c8226b4532ad7011d295d3ab4ad45df105ae ; affected 875386b98857822b77ac7f95bdf367b70af5b78c < 78b1a242fe612a755f2158fd206ee6bb577d18ca
Linux · Linuxaffected 6.6 ; unaffected 0 < 6.6 ; unaffected 6.6.120 ≤ 6.6.* ; unaffected 6.12.63 ≤ 6.12.* ; unaffected 6.17.13 ≤ 6.17.* ; unaffected 6.18.2 ≤ 6.18.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD