s390/dasd: fix error checks in dasd_copy_pair_store()
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.
02 / AFFECTED SOFTWARE
Affected packages
853 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42320.json
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-42320