CVE-2024-49855 - CVE House
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Status published Unknown CVE-2024-49855

nbd: fix race between timeout and normal completion

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbd_requeue_cmd(), normal completion has to be stopped for avoiding to complete this requeued request, other use-after-free can be triggered. Fix the race by clearing NBD_CMD_INFLIGHT in nbd_requeue_cmd(), meantime make sure that cmd->lock is grabbed for clearing the flag and the requeue.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
2895f1831e911ca87d4efdf43e35eb72a0c7e66e, cdf62c535a9bfd5ff0eef4b91669da39d8abc0c3, 5171ef20bae852ff38f4cfdb368bcdcc744776d0, 5.17.15, 5.18.4, 5.19, 0, 6.1.113, 6.6.54, 6.10.13, 6.11.2, 6.12

Timeline

Official Publish: October 21st, 2024
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.