CVE-2023-3776 (GCVE-0-2023-3776)
Vulnerability from cvelistv5
Published
2023-07-21 20:49
Modified
2025-03-05 18:48
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability. We recommend upgrading past commit 0323bce598eea038714f941ce2b22541c46d488f.
References
cve-coordination@google.com http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html Third Party Advisory, VDB Entry
cve-coordination@google.com http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html Third Party Advisory, VDB Entry
cve-coordination@google.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=0323bce598eea038714f941ce2b22541c46d488f Mailing List, Patch, Vendor Advisory
cve-coordination@google.com https://kernel.dance/0323bce598eea038714f941ce2b22541c46d488f Patch, Vendor Advisory
cve-coordination@google.com https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List, Third Party Advisory
cve-coordination@google.com https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html Mailing List, Third Party Advisory
cve-coordination@google.com https://security.netapp.com/advisory/ntap-20240202-0003/ Third Party Advisory
cve-coordination@google.com https://www.debian.org/security/2023/dsa-5480 Third Party Advisory
cve-coordination@google.com https://www.debian.org/security/2023/dsa-5492 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=0323bce598eea038714f941ce2b22541c46d488f Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://kernel.dance/0323bce598eea038714f941ce2b22541c46d488f Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20240202-0003/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2023/dsa-5480 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2023/dsa-5492 Third Party Advisory
Impacted products
Vendor Product Version
Linux Kernel Version: 2.6   < 6.5
 Create a notification for this product.
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