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CVE-2023-54088

HIGHCVSS 7.8/10EPSS 0.18%

Last modified

CVE-2023-54088 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queue_lock when removing blkg->q_node When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock has to be held, otherwise, all kinds of bugs(list corruption, hard lockup, ..) can be triggered from blkg_destroy_all().. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queue_lock when removing blkg->q_node When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock has to be held, otherwise, all kinds of bugs(list corruption, hard lockup, ..) can be triggered from blkg_destroy_all().

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.18%

8.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 81c1188905f88b77743d1fdeeedfc8cb7b67787d, < b5dae1cd0d8368b4338430ff93403df67f0b8bcc; >= bfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a, < 083b58373463a6e5ee60ecb135269348f68ad7df; >= f1c006f1c6850c14040f8337753a63119bba39b9, < cd4ffdf56791eec95af01f06bee1ec7665ca75c4; >= f1c006f1c6850c14040f8337753a63119bba39b9, < c164c7bc9775be7bcc68754bb3431fce5823822e; >= 6.1.16, < 6.1.17; >= 6.2.3, < 6.2.4
LinuxLinux6.3

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2023-54088?
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queue_lock when removing blkg->q_node When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock has to be held, otherwise, all kinds of bugs(list corruption, hard lockup, ..) can be triggered from blkg_destroy_all().
How severe is CVE-2023-54088?
CVE-2023-54088 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2023-54088?
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.

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Source: NVD / NIST