by Kastro CVE-2024-38612
Linux Linux — ipv6: sr: fix invalid unregister error path
Description · from the CVE record
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL is not defined. In that case if seg6_hmac_init() fails, the genl_unregister_family() isn't called. This issue exist since commit 46738b1317e1 ("ipv6: sr: add option to control lwtunnel support"), and commit 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and null-ptr-deref") replaced unregister_pernet_subsys() with genl_unregister_family() in this error path.
Affected
ProductAffectedFixed inSource
Linux46738b1317e169b281ad74690276916e24d1be6d – < 10610575a3ac2a702bf5c57aa931beaf847949c710610575a3ac2a702bf5c57aa931beaf847949c7CNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < 646cd236c55e2cb5f146fc41bbe4034c4af5b2a4646cd236c55e2cb5f146fc41bbe4034c4af5b2a4CNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < 00e6335329f23ac6cf3105931691674e28bc598c00e6335329f23ac6cf3105931691674e28bc598cCNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < 1a63730fb315bb1bab97edd69ff58ad45e04bb011a63730fb315bb1bab97edd69ff58ad45e04bb01CNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < e77a3ec7ada84543e75722a1283785a6544de925e77a3ec7ada84543e75722a1283785a6544de925CNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < 3398a40dccb88d3a7eef378247a023a78472db663398a40dccb88d3a7eef378247a023a78472db66CNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < 85a70ff1e572160f1eeb096ed48d09a1c9d4d89a85a70ff1e572160f1eeb096ed48d09a1c9d4d89aCNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < c04d6a914e890ccea4a9d11233009a2ee7978bf4c04d6a914e890ccea4a9d11233009a2ee7978bf4CNA
Linux46738b1317e169b281ad74690276916e24d1be6d – < 160e9d2752181fcf18c662e74022d77d3164cd45160e9d2752181fcf18c662e74022d77d3164cd45CNA
Linux4.104.19.316CNA
linux_kernel46738b1317e1 – < 0610575a3ac0610575a3acCISA-ADP
linux_kernel46738b1317e1 – < 646cd236c55e646cd236c55eCISA-ADP
Scores by source
CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Linux (CNA)7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total