CVE-2024-48881 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
OSV8.8OSV7.8
EPSS
0.0%
top 99.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 11
Latest updateAug 14
Description
In the Linux kernel, the following vulnerability has been resolved:
bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again
Commit 028ddcac477b ("bcache: Remove unnecessary NULL point check in
node allocations") leads a NULL pointer deference in cache_set_flush().
1721 if (!IS_ERR_OR_NULL(c->root))
1722 list_add(&c->root->list, &c->btree_cache);
>From the above code in cache_set_flush(), if previous registration code
fails before allocating c->root, it is possible c->root is NULL as what
i…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages6 packages
▶CVEListV5linux/linux0729029e647234fa1a94376b6edffec5c2cd75f6 — 4379c5828492a4c2a651c8f826a01453bd2b80b0+9