CISA KEV 정보
| 취약점명 | Linux Kernel Privilege Escalation Vulnerability |
|---|---|
| 설명 | Linux Kernel contains a flaw in the packet socket (AF_PACKET) implementation which could lead to incorrectly freeing memory. A local user could exploit this for denial-of-service (DoS) or possibly for privilege escalation. |
| 조치사항 | Apply updates per vendor instructions. |
| 랜섬웨어 캠페인 악용 | Unknown |
| CWE | CWE-415 |
| 등록일 (KEV) | 2022-04-11 |
| 조치 기한 | 2022-05-02 |
| 추가 참고 | https://nvd.nist.gov/vuln/detail/CVE-2021-22600 |
NVD 상세 정보
CVSS v3.1: 6.6 MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:HCVSS v2.0: 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C설명: A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
CWE: CWE-415 | CWE-415
참조
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755 [Mailing List, Patch]
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html [Mailing List, Third Party Advisory]
- https://security.netapp.com/advisory/ntap-20230110-0002/ [Third Party Advisory]
- https://www.debian.org/security/2022/dsa-5096 [Third Party Advisory]
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755 [Mailing List, Patch]
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html [Mailing List, Third Party Advisory]
- https://security.netapp.com/advisory/ntap-20230110-0002/ [Third Party Advisory]
- https://www.debian.org/security/2022/dsa-5096 [Third Party Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22600 [US Government Resource]
This product uses the NVD API but is not endorsed or certified by the NVD.