CVE-2022-50148
published 2025-06-18CVE-2022-50148: In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in __kernfs_remove When lockdep is enabled…
PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.16%
5.4th percentile
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
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.0.2-1 (bookworm) | linux 6.0.2-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 393c3714081a53795bbff0e985d24146def6f57f < b871986d9d3071f5082664ac274d93f08db257cd | b871986d9d3071f5082664ac274d93f08db257cd |
| linux | linux | >= 393c3714081a53795bbff0e985d24146def6f57f < 4a9f35b8729c5bf13ea671c908c17ed74c48fc50 | 4a9f35b8729c5bf13ea671c908c17ed74c48fc50 |
| linux | linux | >= 393c3714081a53795bbff0e985d24146def6f57f < 72b5d5aef246a0387cefa23121dd90901c7a691a | 72b5d5aef246a0387cefa23121dd90901c7a691a |
| linux | linux_kernel | >= 0 < 6.0.2-1 | 6.0.2-1 |
| linux | linux_kernel | >= 0 < 6.0.2-1 | 6.0.2-1 |
| linux | linux_kernel | >= 0 < 6.0.2-1 | 6.0.2-1 |
| linux | linux_kernel | >= 5.17 < 5.18.18 | 5.18.18 |
| linux | linux_kernel | >= 5.19 < 5.19.2 | 5.19.2 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
kernel: kernfs: fix potential NULL dereference in __kernfs_remove
vendor_redhat·2025-06-18·CVSS 5.5
CVE-2022-50148 [MEDIUM] CWE-413 kernel: kernfs: fix potential NULL dereference in __kernfs_remove
kernel: kernfs: fix potential NULL dereference in __kernfs_remove
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)
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 9) - Not affec
Debian
CVE-2022-50148: linux - In the Linux kernel, the following vulnerability has been resolved: kernfs: fix...
vendor_debian·2022·CVSS 5.5
CVE-2022-50148 [MEDIUM] CVE-2022-50148: linux - In the Linux kernel, the following vulnerability has been resolved: kernfs: fix...
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)
Scope: local
bookworm: resolved (fixed in 6.0.2-1)
bullseye: resolved
forky: resolved (fixed in 6.0.2-1)
sid: resolved (fixed in 6.0.2-1)
trixie: resolved (fixed in 6.0.2-1)
GHSA
GHSA-r3cx-wcp6-7g33: In the Linux kernel, the following vulnerability has been resolved:
kernfs: fix potential NULL dereference in __kernfs_remove
When lockdep is enable
ghsa_unreviewed·2025-06-18
CVE-2022-50148 [MEDIUM] CWE-476 GHSA-r3cx-wcp6-7g33: In the Linux kernel, the following vulnerability has been resolved:
kernfs: fix potential NULL dereference in __kernfs_remove
When lockdep is enable
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)
OSV
CVE-2022-50148: In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in __kernfs_remove When lockdep is enabled,
osv·2025-06-18·CVSS 5.5
CVE-2022-50148 [MEDIUM] CVE-2022-50148: In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in __kernfs_remove When lockdep is enabled,
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)
No detection rules found.
No public exploits indexed.
2025-06-18
Published