SUNRPC: Fix null pointer dereference in svc_rqst_free()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.10.221
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix null pointer dereference in svc_rqst_free() When alloc_pages_node() returns null in svc_rqst_alloc(), the null rq_scratch_page pointer will be dereferenced when calling put_page() in svc_rqst_free(). Fix it by adding a null check. Addresses-Coverity: ("Dereference after null check")
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 79e4e0d489c8e72b9efa388e504a036eec1550c6 · fixed in 3de81c1e84bf84803308da3272a829a7655c5336; From 5191955d6fc65e6d4efe8f4f10a6028298f57281 · fixed in 1e10f58f1c9a6b667b045513c7a4e6111c24fe7c; From 5191955d6fc65e6d4efe8f4f10a6028298f57281 · fixed in c664aaec9aee544538a78ba4893a44bc73a6d742; From 5191955d6fc65e6d4efe8f4f10a6028298f57281 · fixed in b9f83ffaa0c096b4c832a43964fe6bff3acffe10; From 5.10.220 · fixed in 5.10.221
- Linux Linux
5.11