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CVE-2023-54128

HIGHCVSS 7.8/10EPSS 0.18%

Last modified

CVE-2023-54128 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.

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>= 2a1867219c7b27f928e2545782b86daaf9ad50bd, < 0af8fae81d8b7f1beddc17c5d4cfa43235134648; >= 2a1867219c7b27f928e2545782b86daaf9ad50bd, < ddca03d97daa7b07b60c52e3d3060762732c6666; >= 2a1867219c7b27f928e2545782b86daaf9ad50bd, < 65c324d3f35c05e37afec39ac80743583fdcc96c; >= 2a1867219c7b27f928e2545782b86daaf9ad50bd, < cb2239c198ad9fbd5aced22cf93e45562da781eb
LinuxLinux5.12

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2023-54128?
In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.
How severe is CVE-2023-54128?
CVE-2023-54128 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-2023-54128?
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