CVE-2024-40939: net: wwan: iosm: Fix tainted pointer delete is case of region creation fail
First published: Fri Jul 12 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1.95 | 6.1.95 |
| redhat/kernel | <6.6.35 | 6.6.35 |
| redhat/kernel | <6.9.6 | 6.9.6 |
| redhat/kernel | <6.10 | 6.10 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/040d9384870386eb5dc55472ac573ac7756b2050
- https://git.kernel.org/stable/c/37a438704d19bdbe246d51d3749b6b3a8fe65afd
- https://git.kernel.org/stable/c/b0c9a26435413b81799047a7be53255640432547
- https://git.kernel.org/stable/c/fe394d59cdae81389dbf995e87c83c1acd120597
- https://access.redhat.com/errata/RHSA-2024:5928
- https://bugzilla.redhat.com/show_bug.cgi?id=2297523
- https://git.kernel.org/linus/b0c9a26435413b81799047a7be53255640432547
- https://security-tracker.debian.org/tracker/CVE-2024-40939
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-40939
- https://nvd.nist.gov/vuln/detail/CVE-2024-40939
- https://launchpad.net/bugs/cve/CVE-2024-40939
- https://ubuntu.com/security/CVE-2024-40939
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