CVE-2022-50329
published 2025-09-15CVE-2022-50329: In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq Commit 64dc8c732f5c ("block, bfq: fix…
PriorityP337high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.15%
5.1th percentile
In the Linux kernel, the following vulnerability has been resolved:
block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq
Commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'")
will access 'bic->bfqq' in bic_set_bfqq(), however, bfq_exit_icq_bfqq()
can free bfqq first, and then call bic_set_bfqq(), which will cause uaf.
Fix the problem by moving bfq_exit_bfqq() behind bic_set_bfqq().
Affected
17 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.4-1 (bookworm) | linux 6.1.4-1 (bookworm) |
| linux | linux | >= 094f3d9314d67691cb21ba091c1b528f6e3c4893 < 7949b0df3dd9f4817ed4a4e989fa9ee81df6205f | 7949b0df3dd9f4817ed4a4e989fa9ee81df6205f |
| linux | linux | >= 5.15.86 < 5.15.87 | 5.15.87 |
| linux | linux | >= 5533742c7cb1bc9b1f0bf401cc397d44a3a9e07a < 1425f1bb5df5239021fd09ebc2a5e8070e705d36 | 1425f1bb5df5239021fd09ebc2a5e8070e705d36 |
| linux | linux | >= 6.0.16 < 6.0.17 | 6.0.17 |
| linux | linux | >= 6.1.2 < 6.1.3 | 6.1.3 |
| linux | linux | >= 64dc8c732f5c2b406cc752e6aaa1bd5471159cab < 246cf66e300b76099b5dbd3fdd39e9a5dbc53f02 | 246cf66e300b76099b5dbd3fdd39e9a5dbc53f02 |
| linux | linux | >= 761564d93c8265f65543acf0a576b32d66bfa26a < 1ed959fef5b1c6f1a7a3fbea543698c30ebd6678 | 1ed959fef5b1c6f1a7a3fbea543698c30ebd6678 |
| linux | linux | >= b22fd72bfebda3956efc4431b60ddfc0a51e03e0 < cfe5b38c37720313eff0dec5517442c7ab3c9a20 | cfe5b38c37720313eff0dec5517442c7ab3c9a20 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| 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 |
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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OSV
CVE-2022-50329: In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq Commit 64dc8c732f5c ("block, bfq
osv·2025-09-15·CVSS 7.8
CVE-2022-50329 [HIGH] CVE-2022-50329: In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq Commit 64dc8c732f5c ("block, bfq
In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq Commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'") will access 'bic->bfqq' in bic_set_bfqq(), however, bfq_exit_icq_bfqq() can free bfqq first, and then call bic_set_bfqq(), which will cause uaf. Fix the problem by moving bfq_exit_bfqq() behind bic_set_bfqq().
GHSA
GHSA-mmqv-h65v-7p4p: In the Linux kernel, the following vulnerability has been resolved:
block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq
Commit 64dc8c732f5c ("block, b
ghsa_unreviewed·2025-09-15
CVE-2022-50329 [HIGH] CWE-416 GHSA-mmqv-h65v-7p4p: In the Linux kernel, the following vulnerability has been resolved:
block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq
Commit 64dc8c732f5c ("block, b
In the Linux kernel, the following vulnerability has been resolved:
block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq
Commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'")
will access 'bic->bfqq' in bic_set_bfqq(), however, bfq_exit_icq_bfqq()
can free bfqq first, and then call bic_set_bfqq(), which will cause uaf.
Fix the problem by moving bfq_exit_bfqq() behind bic_set_bfqq().
Red Hat
kernel: Linux kernel: Denial of Service due to use-after-free in BFQ scheduler
vendor_redhat·2025-09-15·CVSS 7.8
CVE-2022-50329 [HIGH] CWE-825 kernel: Linux kernel: Denial of Service due to use-after-free in BFQ scheduler
kernel: Linux kernel: Denial of Service due to use-after-free in BFQ scheduler
In the Linux kernel, the following vulnerability has been resolved:
block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq
Commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'")
will access 'bic->bfqq' in bic_set_bfqq(), however, bfq_exit_icq_bfqq()
can free bfqq first, and then call bic_set_bfqq(), which will cause uaf.
Fix the problem by moving bfq_exit_bfqq() behind bic_set_bfqq().
A flaw was found in the Linux kernel. A use-after-free (UAF) vulnerability exists in the block I/O (input/output) queueing layer, specifically within the Budget Fair Queueing (BFQ) scheduler. This occurs because the `bfq_exit_icq_bfqq()` function can free a `bfqq` object before `bic_set_bfqq()` accesses it, leading to me
Ivanti
Ivanti Security Advisory: CVE-2024-50329
vendor_ivanti·2024-11-12·CVSS 8.8
CVE-2024-50329 [HIGH] CWE-22 Ivanti Security Advisory: CVE-2024-50329
Ivanti Security Advisory: CVE-2024-50329
Path traversal in Ivanti Endpoint Manager before 2024 November Security Update or 2022 SU6 November Security Update allows a remote unauthenticated attacker to achieve remote code execution. User interaction is required.
CVE IDs: CVE-2024-50329
CVSS Base Score: 8.8
Severity: HIGH
CWEs: CWE-22
Debian
CVE-2022-50329: linux - In the Linux kernel, the following vulnerability has been resolved: block, bfq:...
vendor_debian·2022·CVSS 7.8
CVE-2022-50329 [HIGH] CVE-2022-50329: linux - In the Linux kernel, the following vulnerability has been resolved: block, bfq:...
In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq Commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'") will access 'bic->bfqq' in bic_set_bfqq(), however, bfq_exit_icq_bfqq() can free bfqq first, and then call bic_set_bfqq(), which will cause uaf. Fix the problem by moving bfq_exit_bfqq() behind bic_set_bfqq().
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/1425f1bb5df5239021fd09ebc2a5e8070e705d36https://git.kernel.org/stable/c/1ed959fef5b1c6f1a7a3fbea543698c30ebd6678https://git.kernel.org/stable/c/246cf66e300b76099b5dbd3fdd39e9a5dbc53f02https://git.kernel.org/stable/c/7949b0df3dd9f4817ed4a4e989fa9ee81df6205fhttps://git.kernel.org/stable/c/cfe5b38c37720313eff0dec5517442c7ab3c9a20
2025-09-15
Published