CVE-2024-42320: s390/dasd: fix error checks in dasd_copy_pair_store()
First published: Sat Aug 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fix error checks in dasd_copy_pair_store() dasd_add_busid() can return an error via ERR_PTR() if an allocation fails. However, two callsites in dasd_copy_pair_store() do not check the result, potentially resulting in a NULL pointer dereference. Fix this by checking the result with IS_ERR() and returning the error up the stack.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=6.1<6.1.103 | |
| Linux Linux kernel | >=6.2<6.6.44 | |
| Linux Linux kernel | >=6.7<6.10.3 | |
| 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 | |
| >=6.1<6.1.103 | ||
| >=6.2<6.6.44 | ||
| >=6.7<6.10.3 |
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Reference Links
- https://git.kernel.org/stable/c/68d4c3722290ad300c295fb3435e835d200d5cb2
- https://git.kernel.org/stable/c/8e64d2356cbc800b4cd0e3e614797f76bcf0cdb8
- https://git.kernel.org/stable/c/cc8b7284d5076722e0b8062373b68d8e47c3bace
- https://git.kernel.org/stable/c/e511167e65d332d07b3c7a3d5a741ee9c19a8c27
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-42320
- https://nvd.nist.gov/vuln/detail/CVE-2024-42320
- https://launchpad.net/bugs/cve/CVE-2024-42320
- https://security-tracker.debian.org/tracker/CVE-2024-42320
- https://ubuntu.com/security/CVE-2024-42320
- https://git.kernel.org/linus/8e64d2356cbc800b4cd0e3e614797f76bcf0cdb8
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