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CVE-2024-49855 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/5236ada8ebbd9e7461f17477357582f5be4f46f7 Patch 
https://git.kernel.org/stable/c/6e73b946a379a1dfbb62626af93843bdfb53753d Patch 
https://git.kernel.org/stable/c/9a74c3e6c0d686c26ba2aab66d15ddb89dc139cc Patch 
https://git.kernel.org/stable/c/9c25faf72d780a9c71081710cd48759d61ff6e9b Patch 
https://git.kernel.org/stable/c/c9ea57c91f03bcad415e1a20113bdb2077bcf990 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-49855
NVD Published Date:
10/21/2024
NVD Last Modified:
10/22/2024
Source:
kernel.org