CVE-2021-33624
Vulnerability from cvelistv5
Published
2021-06-23 15:37
Modified
2024-08-03 23:58
Severity ?
Summary
In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/06/21/1Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49dbPatch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlIssue Tracking, Third Party Advisory
cve@mitre.orghttps://www.usenix.org/conference/usenixsecurity21/presentation/kirznerThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/06/21/1Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49dbPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlIssue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.usenix.org/conference/usenixsecurity21/presentation/kirznerThird Party Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
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