Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: cope with concurrent instance destruction Instances are refcounted. However, only memory release happens on the 1 -> 0 transition; the unlink from hashes can occur with any refcount. Uncooperative userspace can force a situation where a queue is pending for destruction from netlink event while a different socket with same portid processes an UNBIND request. With right timing, this will unhash the instance again: Oops: general protection fault, [..] Call Trace: <TASK> nfulnl_recv_config+0x31a/0xd50 nfnetlink_rcv_msg+0x7c2/0xeb0
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
0597f2680d666a3bcf101ac0c771ba7e50016bbd to < c5c89beaa628d6ac527c6eb2e01b2b52eb417f59affected0597f2680d666a3bcf101ac0c771ba7e50016bbd to < 042465e7d3d3127e21f04e42c1639e2518b98915affected0597f2680d666a3bcf101ac0c771ba7e50016bbd to < 291685fc8d2e4cf75ed3a23c810883653f407f46affected0597f2680d666a3bcf101ac0c771ba7e50016bbd to < 3161186a2ff81288e9a5f35daf1911153764ecaeaffected0597f2680d666a3bcf101ac0c771ba7e50016bbd to < 0234d7ca0317be0a623300e1693cd794bbfdf8afaffected0597f2680d666a3bcf101ac0c771ba7e50016bbd to < 1a7a8ac9a9f0ad0d410c901cb6f233833518844caffected0597f2680d666a3bcf101ac0c771ba7e50016bbd to < e2dd0f1f8c4e6334699ea6382e52f6da0c7e45ebaffected0597f2680d666a3bcf101ac0c771ba7e50016bbd to < 387d744fa7e499d2c3748a4e60e02ebb24e7fb16affected
Linux Linux
Default version status: affected
2.6.14affected0 to < 2.6.14unaffected5.10.271 to ≤ 5.10.*unaffected5.15.222 to ≤ 5.15.*unaffected6.1.189 to ≤ 6.1.*unaffected6.6.158 to ≤ 6.6.*unaffected6.12.111 to ≤ 6.12.*unaffected6.18.53 to ≤ 6.18.*unaffected7.2.7 to ≤ 7.2.*unaffected7.3 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/c5c89beaa628d6ac527c6eb2e01b2b52eb417f59 ↗
- https://git.kernel.org/stable/c/042465e7d3d3127e21f04e42c1639e2518b98915 ↗
- https://git.kernel.org/stable/c/291685fc8d2e4cf75ed3a23c810883653f407f46 ↗
- https://git.kernel.org/stable/c/3161186a2ff81288e9a5f35daf1911153764ecae ↗
- https://git.kernel.org/stable/c/0234d7ca0317be0a623300e1693cd794bbfdf8af ↗
- https://git.kernel.org/stable/c/1a7a8ac9a9f0ad0d410c901cb6f233833518844c ↗
- https://git.kernel.org/stable/c/e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb ↗
- https://git.kernel.org/stable/c/387d744fa7e499d2c3748a4e60e02ebb24e7fb16 ↗