CVE-2023-53292
published 2025-09-16CVE-2023-53292: In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none After grabbing…
PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.14%
3.4th percentile
In the Linux kernel, the following vulnerability has been resolved:
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
After grabbing q->sysfs_lock, q->elevator may become NULL because of
elevator switch.
Fix the NULL dereference on q->elevator by checking it with lock.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.4.11-1 (forky) | linux 6.4.11-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= 5fd7a84a09e640016fe106dd3e992f5210e23dc7 < 988ddb77218d3975dd13dee7bb0e1fae098a9fdb | 988ddb77218d3975dd13dee7bb0e1fae098a9fdb |
| linux | linux | >= 5fd7a84a09e640016fe106dd3e992f5210e23dc7 < 3e977386521b71471e66ec2ba82efdfcc456adf2 | 3e977386521b71471e66ec2ba82efdfcc456adf2 |
| linux | linux | >= 5fd7a84a09e640016fe106dd3e992f5210e23dc7 < 245165658e1c9f95c0fecfe02b9b1ebd30a1198a | 245165658e1c9f95c0fecfe02b9b1ebd30a1198a |
| linux | linux_kernel | < 6.4.7 | 6.4.7 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| msrc | cbl2_kernel_5.15.186.1-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_kernel_5.15.200.1-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_kernel_5.15.202.1-1_on_cbl_mariner_2.0 | — | — |
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_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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GHSA
GHSA-j898-m92w-4243: In the Linux kernel, the following vulnerability has been resolved:
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
After grab
ghsa_unreviewed·2025-09-16
CVE-2023-53292 [MEDIUM] CWE-476 GHSA-j898-m92w-4243: In the Linux kernel, the following vulnerability has been resolved:
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
After grab
In the Linux kernel, the following vulnerability has been resolved:
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
After grabbing q->sysfs_lock, q->elevator may become NULL because of
elevator switch.
Fix the NULL dereference on q->elevator by checking it with lock.
OSV
CVE-2023-53292: In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none After grabbi
osv·2025-09-16·CVSS 5.5
CVE-2023-53292 [MEDIUM] CVE-2023-53292: In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none After grabbi
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none After grabbing q->sysfs_lock, q->elevator may become NULL because of elevator switch. Fix the NULL dereference on q->elevator by checking it with lock.
Red Hat
kernel: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
vendor_redhat·2025-09-16·CVSS 5.5
CVE-2023-53292 [MEDIUM] CWE-476 kernel: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
kernel: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
In the Linux kernel, the following vulnerability has been resolved:
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
After grabbing q->sysfs_lock, q->elevator may become NULL because of
elevator switch.
Fix the NULL dereference on q->elevator by checking it with lock.
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) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 7) - Fix deferred
Package: kernel (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 9) - Fix def
Microsoft
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
vendor_msrc·2025-09-09·CVSS 5.5
CVE-2023-53292 [MEDIUM] CWE-476 blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
Mariner: Mariner
Linux: Linux
Customer Action Required: Yes
Debian
CVE-2023-53292: linux - In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix...
vendor_debian·2023·CVSS 5.5
CVE-2023-53292 [MEDIUM] CVE-2023-53292: linux - In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix...
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none After grabbing q->sysfs_lock, q->elevator may become NULL because of elevator switch. Fix the NULL dereference on q->elevator by checking it with lock.
Scope: local
bookworm: open
bullseye: resolved
forky: resolved (fixed in 6.4.11-1)
sid: resolved (fixed in 6.4.11-1)
trixie: resolved (fixed in 6.4.11-1)
No detection rules found.
No public exploits indexed.
2025-09-16
Published