Bug 2334402 (CVE-2024-53217)

Summary: CVE-2024-53217 kernel: NFSD: Prevent NULL dereference in nfsd4_process_cb_update()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2024-12-27 14:04:39 UTC 
In the Linux kernel, the following vulnerability has been resolved:

NFSD: Prevent NULL dereference in nfsd4_process_cb_update()

@ses is initialized to NULL. If __nfsd4_find_backchannel() finds no
available backchannel session, setup_callback_client() will try to
dereference @ses and segfault.
Comment 1 Avinash Hanwate 2024-12-28 10:58:03 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024122732-CVE-2024-53217-4f05@gregkh/T
Comment 3 Avinash Hanwate 2024-12-28 12:06:27 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024122732-CVE-2024-53217-4f05@gregkh/T
Comment 5 Avinash Hanwate 2024-12-29 05:03:26 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024122732-CVE-2024-53217-4f05@gregkh/T