CVE-2021-33033
גבוהה 7.8
תיאור (מקור, אנגלית)
The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.
מדדים
- CVSS 3.1
-
7.8 (HIGH)
מקור הציון: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — סבירות ניצול
- 1% (אחוזון 000) נכון ל-10/8/2026
- CWE
- CWE-416
מוצרים מושפעים
linux: linux kernel
קישורים
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.14 Mailing ListPatchVendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.7 Mailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=… Mailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=… Mailing ListPatchVendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.14 Mailing ListPatchVendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.7 Mailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=… Mailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=… Mailing ListPatchVendor Advisory
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-cipso_v4_g… ExploitThird Party Advisory
- https://syzkaller.appspot.com/bug?id=96e7d345748d8814901c91cd92084ed04b46701e ExploitMailing ListThird Party Advisory