Vulnerability CVE-2024-42320
Published: 2024-08-17

Description:
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.

 References:
https://git.kernel.org/stable/c/cc8b7284d5076722e0b8062373b68d8e47c3bace
https://git.kernel.org/stable/c/e511167e65d332d07b3c7a3d5a741ee9c19a8c27
https://git.kernel.org/stable/c/68d4c3722290ad300c295fb3435e835d200d5cb2
https://git.kernel.org/stable/c/8e64d2356cbc800b4cd0e3e614797f76bcf0cdb8
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