CVE-2024-40939

net: wwan: iosm: Fix tainted pointer delete is case of region creation fail

HIGH

7.8

CVSS Score

Published: July 12, 2024 at 12:25 PM UTC

Updated: June 17, 2026 at 07:46 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: Fix tainted pointer delete is case of region creation fail In case of region creation fail in ipc_devlink_create_region(), previously created regions delete process starts from tainted pointer which actually holds error code value. Fix this bug by decreasing region index before delete. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.16 ≤ v < 6.1.955.16 ≤ v < 6.105.16 ≤ v < 6.6.355.16 ≤ v < 6.9.66.2 ≤ v < 6.6.356.7 ≤ v < 6.9.64dcd183fbd67b105decc8be262311937730ccdbf5.16 6.10 rc1 6.10 rc2

Vendor states this is fixed in 040d9384870386eb5dc55472ac573ac7756b2050 (fixed)

Vendor states this is fixed in 37a438704d19bdbe246d51d3749b6b3a8fe65afd (fixed)

Vendor states this is fixed in b0c9a26435413b81799047a7be53255640432547 (fixed)

Vendor states this is fixed in fe394d59cdae81389dbf995e87c83c1acd120597 (fixed)

Vendor states this is fixed in 5.16 (unaffected)

Vendor states this is fixed in 6.1.95 (unaffected)

Vendor states this is fixed in 6.10 (unaffected)

Vendor states this is fixed in 6.6.35 (unaffected)

Vendor states this is fixed in 6.9.6 (unaffected)