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CVE-2023-53292

MEDIUMCVSS 5.5/10EPSS 0.14%

Last modified

CVE-2023-53292 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.14%

3.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 6.4.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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.
How severe is CVE-2023-53292?
CVE-2023-53292 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2023-53292?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-53292?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST