CVE-2022-49160: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash during module load unload test During purex packet handling the driver was incorrectly freeing a pre-allocated structure. Fix this by skipping that entry. System crashed with the following stack during a module unload test. Call Trace: sbitmap_init_node+0x7f/0x1e0 sbitmap_queue_init_node+0x24/0x150 blk_mq_init_bitmaps+0x3d/0xa0 blk_mq_init_tags+0x68/0x90 blk_mq_alloc_map_and_rqs+0x44/0x120 blk_mq_alloc_set_map_and_rqs+0x63/0x150 blk_mq_alloc_tag_set+0x11b/0x230 scsi_add_host_with_dma.cold+0x3f/0x245 qla2x00_probe_one+0xd5a/0x1b80 [qla2xxx] Call Trace with slub_debug and debug kernel: kasan_report_invalid_free+0x50/0x80 __kasan_slab_free+0x137/0x150 slab_free_freelist_hook+0xc6/0x190 kfree+0xe8/0x2e0 qla2x00_free_device+0x3bb/0x5d0 [qla2xxx] qla2x00_remove_one+0x668/0xcf0 [qla2xxx]

Is your site exposed to CVE-2022-49160?

Run a free security scan — no signup, results in seconds.

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-763 CWE-763

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.9 — 5.15.54
linux	linux_kernel	5.16 — 5.16.19
linux	linux_kernel	5.17 — 5.17.2

References

Advisories & Patches

https://git.kernel.org/stable/c/0972252450f90db56dd5415a20e2aec21a08d036 https://git.kernel.org/stable/c/213e57b42537f1a2e5395caa9d7189854133ed12 https://git.kernel.org/stable/c/67f744f73eba870ab96411d0310e831a4adc3713 https://git.kernel.org/stable/c/9b7eb92dac240ab3bc83e188d83a3df834b41eb2

Frequently Asked Questions

What is CVE-2022-49160? +

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash during module load unload test During purex packet handling the driver was incorrectly freeing a pre-allocated structure. Fix this by skipping that entry. System crashed with the following stack during a module unload test. Call Trace: sbitmap_init_node+0x7f/0x1e0 sbitmap_queue_init_node+0x24/0x150 blk_mq_init_bitmaps+0x3d/0xa0 blk_mq_init_tags+0x68/0x90 blk_mq_alloc_map_and_rqs+0x44/0x120 blk_mq_alloc_set_map_and_rqs+0x63/0x150 blk_mq_alloc_tag_set+0x11b/0x230 scsi_add_host_with_dma.cold+0x3f/0x245 qla2x00_probe_one+0xd5a/0x1b80 [qla2xxx] Call Trace with slub_debug and debug kernel: kasan_report_invalid_free+0x50/0x80 __kasan_slab_free+0x137/0x150 slab_free_freelist_hook+0xc6/0x190 kfree+0xe8/0x2e0 qla2x00_free_device+0x3bb/0x5d0 [qla2xxx] qla2x00_remove_one+0x668/0xcf0 [qla2xxx] It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49160? +

CVE-2022-49160 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-2022-49160? +

CVE-2022-49160 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-2022-49160? +

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.

Related Vulnerabilities

CVE-2025-13824

A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault …

CVE-2024-44852 9.8

Open Robotics Robotic Operating System 2 ROS2 navigation2 v.humble was discovered to contain a segmentation violation via the component theta_star::ThetaStar::isUnsafeToPlan().

CVE-2026-52993 9.8

In the Linux kernel, the following vulnerability has been resolved: tipc: fix double-free in tipc_buf_append() tipc_msg_validate() can potentially reallocate the …

CVE-2024-6607 8.8

It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a …

CVE-2025-25215 8.8

An arbitrary free vulnerability exists in the cv_close functionality of Dell ControlVault3 prior to 5.15.10.14 and Dell ControlVault3 Plus prior …

CVE-2023-43532 8.4

Memory corruption while reading ACPI config through the user mode app.

CVE-2022-49160