CVE-2022-50496
published 2025-10-04CVE-2022-50496: In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy() Dm_cache also has the same UAF problem when dm_resume() and…
PriorityP336high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.16%
5.4th percentile
In the Linux kernel, the following vulnerability has been resolved:
dm cache: Fix UAF in destroy()
Dm_cache also has the same UAF problem when dm_resume()
and dm_destroy() are concurrent.
Therefore, cancelling timer again in destroy().
Affected
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.4-1 (bookworm) | linux 6.1.4-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 034cbc8d3b47a56acd89453c29632a9c117de09d | 034cbc8d3b47a56acd89453c29632a9c117de09d |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 993406104d2b28fe470126a062ad37a1e21e792e | 993406104d2b28fe470126a062ad37a1e21e792e |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 4d20032dd90664de09f2902a7ea49ae2f7771746 | 4d20032dd90664de09f2902a7ea49ae2f7771746 |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 2f097dfac7579fd84ff98eb1d3acd41d53a485f3 | 2f097dfac7579fd84ff98eb1d3acd41d53a485f3 |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 2b17026685a270b2beaf1cdd9857fcedd3505c7e | 2b17026685a270b2beaf1cdd9857fcedd3505c7e |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < d2a0b298ebf83ab6236f66788a3541e91ce75a70 | d2a0b298ebf83ab6236f66788a3541e91ce75a70 |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 6ac4f36910764cb510bafc4c3768544f86ca48ca | 6ac4f36910764cb510bafc4c3768544f86ca48ca |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 6a3e412c2ab131c54945327a7676b006f000a209 | 6a3e412c2ab131c54945327a7676b006f000a209 |
| linux | linux | >= c6b4fcbad044e6fffcc75bba160e720eb8d67d17 < 6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa | 6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa |
| linux | linux_kernel | >= 0 < 5.10.178-1 | 5.10.178-1 |
| linux | linux_kernel | >= 0 < 6.1.4-1 | 6.1.4-1 |
| linux | linux_kernel | >= 0 < 6.1.4-1 | 6.1.4-1 |
| linux | linux_kernel | >= 0 < 6.1.4-1 | 6.1.4-1 |
| linux | linux_kernel | >= 3.9 < 4.9.337 | 4.9.337 |
| linux | linux_kernel | >= 4.10 < 4.14.303 | 4.14.303 |
| linux | linux_kernel | >= 4.15 < 4.19.270 | 4.19.270 |
| linux | linux_kernel | >= 4.20 < 5.4.229 | 5.4.229 |
| linux | linux_kernel | >= 5.11 < 5.15.87 | 5.15.87 |
| linux | linux_kernel | >= 5.16 < 6.0.18 | 6.0.18 |
| linux | linux_kernel | >= 5.5 < 5.10.163 | 5.10.163 |
| linux | linux_kernel | >= 6.1 < 6.1.4 | 6.1.4 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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GHSA
GHSA-9rgw-cjpr-9389: In the Linux kernel, the following vulnerability has been resolved:
dm cache: Fix UAF in destroy()
Dm_cache also has the same UAF problem when dm_re
ghsa_unreviewed·2025-10-04
CVE-2022-50496 [HIGH] CWE-416 GHSA-9rgw-cjpr-9389: In the Linux kernel, the following vulnerability has been resolved:
dm cache: Fix UAF in destroy()
Dm_cache also has the same UAF problem when dm_re
In the Linux kernel, the following vulnerability has been resolved:
dm cache: Fix UAF in destroy()
Dm_cache also has the same UAF problem when dm_resume()
and dm_destroy() are concurrent.
Therefore, cancelling timer again in destroy().
OSV
CVE-2022-50496: In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy() Dm_cache also has the same UAF problem when dm_resu
osv·2025-10-04·CVSS 7.8
CVE-2022-50496 [HIGH] CVE-2022-50496: In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy() Dm_cache also has the same UAF problem when dm_resu
In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy() Dm_cache also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in destroy().
Red Hat
kernel: dm cache: Fix UAF in destroy()
vendor_redhat·2025-10-04·CVSS 7.8
CVE-2022-50496 [HIGH] CWE-825 kernel: dm cache: Fix UAF in destroy()
kernel: dm cache: Fix UAF in destroy()
In the Linux kernel, the following vulnerability has been resolved:
dm cache: Fix UAF in destroy()
Dm_cache also has the same UAF problem when dm_resume()
and dm_destroy() are concurrent.
Therefore, cancelling timer again in destroy().
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 7) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 7) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 9) - Fix deferred
Debian
CVE-2022-50496: linux - In the Linux kernel, the following vulnerability has been resolved: dm cache: F...
vendor_debian·2022·CVSS 7.8
CVE-2022-50496 [HIGH] CVE-2022-50496: linux - In the Linux kernel, the following vulnerability has been resolved: dm cache: F...
In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy() Dm_cache also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in destroy().
Scope: local
bookworm: resolved (fixed in 6.1.4-1)
bullseye: resolved (fixed in 5.10.178-1)
forky: resolved (fixed in 6.1.4-1)
sid: resolved (fixed in 6.1.4-1)
trixie: resolved (fixed in 6.1.4-1)
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/034cbc8d3b47a56acd89453c29632a9c117de09dhttps://git.kernel.org/stable/c/2b17026685a270b2beaf1cdd9857fcedd3505c7ehttps://git.kernel.org/stable/c/2f097dfac7579fd84ff98eb1d3acd41d53a485f3https://git.kernel.org/stable/c/4d20032dd90664de09f2902a7ea49ae2f7771746https://git.kernel.org/stable/c/6a3e412c2ab131c54945327a7676b006f000a209https://git.kernel.org/stable/c/6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aahttps://git.kernel.org/stable/c/6ac4f36910764cb510bafc4c3768544f86ca48cahttps://git.kernel.org/stable/c/993406104d2b28fe470126a062ad37a1e21e792ehttps://git.kernel.org/stable/c/d2a0b298ebf83ab6236f66788a3541e91ce75a70
2025-10-04
Published