CVE-2021-33624

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

4.7 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS — סבירות ניצול

1% (אחוזון 100) נכון ל-18/10/2026

CWE

CWE-843

מוצרים מושפעים

linux: linux kernel; debian: debian linux

קישורים

• https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b4‮… PatchThird Party Advisory
• https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b4‮… PatchThird Party Advisory
• http://www.openwall.com/lists/oss-security/2021/06/21/1 ExploitMailing ListThird Party Advisory
• http://www.openwall.com/lists/oss-security/2021/06/21/1 ExploitMailing ListThird Party Advisory
• https://github.com/benschlueter/CVE-2021-33624
• https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Issue TrackingThird Party Advisory
• https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Issue TrackingThird Party Advisory
• https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner Third Party Advisory