UBUNTU-CVE-2026-23278
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: always walk all pending catchall elements During transaction processing we might have more than one catchall element: 1 live catchall element and 1 pending element that is coming as part of the new batch. If the map holding the catchall elements is also going away, its required to toggle all catchall elements and not just the first viable candidate. Otherwise, we get: WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404 RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables] [..] __nft_set_elem_destroy+0x106/0x380 [nf_tables] nf_tables_abort_release+0x348/0x8d0 [nf_tables] nf_tables_abort+0xcf2/0x3ac0 [nf_tables] nfnetlink_rcv_batch+0x9c9/0x20e0 [..]
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
53 explicit affected versions
116 explicit affected versions
86 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
19 explicit affected versions
10 explicit affected versions
6 explicit affected versions
96 explicit affected versions
58 explicit affected versions
24 explicit affected versions
81 explicit affected versions
82 explicit affected versions
91 explicit affected versions
83 explicit affected versions
75 explicit affected versions
10 explicit affected versions
36 explicit affected versions
26 explicit affected versions
88 explicit affected versions
7 explicit affected versions
83 explicit affected versions
39 explicit affected versions
13 explicit affected versions
43 explicit affected versions
35 explicit affected versions
48 explicit affected versions
46 explicit affected versions
18 explicit affected versions
39 explicit affected versions
64 explicit affected versions
44 explicit affected versions
120 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
51 explicit affected versions
124 explicit affected versions
1 explicit affected versions
21 explicit affected versions
7 explicit affected versions
16 explicit affected versions
10 explicit affected versions
19 explicit affected versions
76 explicit affected versions
47 explicit affected versions
8 explicit affected versions
7 explicit affected versions
12 explicit affected versions
11 explicit affected versions
7 explicit affected versions
12 explicit affected versions
14 explicit affected versions
10 explicit affected versions
1 explicit affected versions
7 explicit affected versions
16 explicit affected versions
104 explicit affected versions
12 explicit affected versions
7 explicit affected versions
105 explicit affected versions
12 explicit affected versions
40 explicit affected versions
42 explicit affected versions
16 explicit affected versions
16 explicit affected versions
27 explicit affected versions
33 explicit affected versions
10 explicit affected versions
37 explicit affected versions
10 explicit affected versions
8 explicit affected versions
13 explicit affected versions
38 explicit affected versions
3 explicit affected versions
10 explicit affected versions
11 explicit affected versions
64 explicit affected versions
26 explicit affected versions
9 explicit affected versions
13 explicit affected versions
33 explicit affected versions
29 explicit affected versions
111 explicit affected versions
13 explicit affected versions
12 explicit affected versions
94 explicit affected versions
40 explicit affected versions
39 explicit affected versions
7 explicit affected versions
100 explicit affected versions
88 explicit affected versions
51 explicit affected versions
33 explicit affected versions
23 explicit affected versions
57 explicit affected versions
10 explicit affected versions
19 explicit affected versions
18 explicit affected versions
11 explicit affected versions
5 explicit affected versions
12 explicit affected versions
8 explicit affected versions
7 explicit affected versions
12 explicit affected versions
7 explicit affected versions
16 explicit affected versions
5 explicit affected versions
73 explicit affected versions
89 explicit affected versions
10 explicit affected versions
26 explicit affected versions
39 explicit affected versions
1 explicit affected versions
65 explicit affected versions
35 explicit affected versions
46 explicit affected versions
11 explicit affected versions
8 explicit affected versions
13 explicit affected versions
45 explicit affected versions
78 explicit affected versions
16 explicit affected versions
87 explicit affected versions
49 explicit affected versions
3 explicit affected versions
7 explicit affected versions
2 explicit affected versions
14 explicit affected versions
51 explicit affected versions
15 explicit affected versions
18 explicit affected versions
41 explicit affected versions
12 explicit affected versions
69 explicit affected versions
76 explicit affected versions
5 explicit affected versions
27 explicit affected versions
62 explicit affected versions
121 explicit affected versions
42 explicit affected versions
8 explicit affected versions
53 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
7 explicit affected versions
45 explicit affected versions
13 explicit affected versions
110 explicit affected versions
13 explicit affected versions
72 explicit affected versions
7 explicit affected versions
8 explicit affected versions
10 explicit affected versions
12 explicit affected versions
9 explicit affected versions
35 explicit affected versions
108 explicit affected versions
80 explicit affected versions
56 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
49 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
16 explicit affected versions
11 explicit affected versions
38 explicit affected versions
17 explicit affected versions
13 explicit affected versions
89 explicit affected versions
6 explicit affected versions
7 explicit affected versions
4 explicit affected versions
78 explicit affected versions
8 explicit affected versions
1 explicit affected versions
1 explicit affected versions
87 explicit affected versions
77 explicit affected versions
77 explicit affected versions
13 explicit affected versions
43 explicit affected versions
77 explicit affected versions
13 explicit affected versions
119 explicit affected versions
10 explicit affected versions
8 explicit affected versions
44 explicit affected versions
88 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
13 explicit affected versions
11 explicit affected versions
1 explicit affected versions
123 explicit affected versions
18 explicit affected versions
38 explicit affected versions
76 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: always walk all pending catchall elements During transaction processing we might have more than one catchall element: 1 live catchall element and 1 pending element that is coming as part of the new batch. If the map holding the catchall elements is also going away, its required to toggle all catchall elements and not just the first viable candidate. Otherwise, we get: WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404 RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables] [..] __nft_set_elem_destroy+0x106/0x380 [nf_tables] nf_tables_abort_release+0x348/0x8d0 [nf_tables] nf_tables_abort+0xcf2/0x3ac0 [nf_tables] nfnetlink_rcv_batch+0x9c9/0x20e0 [..]
05 / REFERENCES
Further evidence
- https://git.kernel.org/stable/c/77c26b5056d693ffe5e9f040e946251cdb55ae55
- https://git.kernel.org/stable/c/7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9
- https://git.kernel.org/stable/c/de47a88c6b807910f05703fb6605f7efdaa11417
- https://ubuntu.com/security/CVE-2026-23278
- https://ubuntu.com/security/notices/USN-8490-1
- https://ubuntu.com/security/notices/USN-8490-2
- https://ubuntu.com/security/notices/USN-8491-1
- https://ubuntu.com/security/notices/USN-8492-1
- https://ubuntu.com/security/notices/USN-8492-2
- https://ubuntu.com/security/notices/USN-8492-3
- https://ubuntu.com/security/notices/USN-8492-4
- https://ubuntu.com/security/notices/USN-8492-5
- https://ubuntu.com/security/notices/USN-8493-1
- https://ubuntu.com/security/notices/USN-8493-2
- https://ubuntu.com/security/notices/USN-8497-1
- https://ubuntu.com/security/notices/USN-8498-1
- https://ubuntu.com/security/notices/USN-8499-1
- https://ubuntu.com/security/notices/USN-8508-1
- https://ubuntu.com/security/notices/USN-8527-1
- https://ubuntu.com/security/notices/USN-8528-1
- https://ubuntu.com/security/notices/USN-8545-1
- https://ubuntu.com/security/notices/USN-8546-1
- https://ubuntu.com/security/notices/USN-8547-1
- https://ubuntu.com/security/notices/USN-8547-2
- https://ubuntu.com/security/notices/USN-8604-1
- https://ubuntu.com/security/notices/USN-8605-1
- https://ubuntu.com/security/notices/USN-8606-1
- https://ubuntu.com/security/notices/USN-8607-1
- https://ubuntu.com/security/notices/USN-8609-1
- https://ubuntu.com/security/notices/USN-8619-1
- https://www.cve.org/CVERecord?id=CVE-2026-23278