CVE-2021-45868

Description

In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file.

Weakness classification

• nvd@nist.gov: CWE-416

Primary references

• cve@mitre.org — Exploit, Issue Tracking, Vendor Advisory
• cve@mitre.org — Mailing List, Release Notes, Vendor Advisory
• cve@mitre.org — Mailing List, Patch, Vendor Advisory
• cve@mitre.org — Third Party Advisory
• cve@mitre.org — Exploit, Mailing List, Patch, Third Party Advisory
• cve@mitre.org — Exploit, Mailing List, Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Release Notes, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Patch, Third Party Advisory