CVE-2022-50148
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
kernfs: fix potential NULL dereference in __kernfs_remove
When lockdep is enabled, lockdep_assert_held_write would cause potential NULL pointer dereference.
Fix the following smatch warnings:
fs/kernfs/dir.c:1353 __kernfs_remove() warn: variable dereferenced before check 'kn' (see line 1346)
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 393c3714081a53795bbff0e985d24146def6f57f < b871986d9d3071f5082664ac274d93f08db257cd | affected |
| Linux | Linux | 393c3714081a53795bbff0e985d24146def6f57f < 4a9f35b8729c5bf13ea671c908c17ed74c48fc50 | affected |
| Linux | Linux | 393c3714081a53795bbff0e985d24146def6f57f < 72b5d5aef246a0387cefa23121dd90901c7a691a | affected |
| Linux | Linux | 5.17 | affected |
| Linux | Linux | 0 < 5.17 | unaffected |
| Linux | Linux | 5.18.18 <= 5.18.* | unaffected |
| Linux | Linux | 5.19.2 <= 5.19.* | unaffected |
| Linux | Linux | 6.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd
- https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50
- https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a
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