UBUNTU-CVE-2021-29650
An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service (panic) because net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h lack a full memory barrier upon the assignment of a new table value, aka CID-175e476b8cdf.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
6 explicit affected versions
191 explicit affected versions
64 explicit affected versions
25 explicit affected versions
44 explicit affected versions
17 explicit affected versions
74 explicit affected versions
23 explicit affected versions
71 explicit affected versions
1 explicit affected versions
1 explicit affected versions
17 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
27 explicit affected versions
35 explicit affected versions
26 explicit affected versions
19 explicit affected versions
10 explicit affected versions
137 explicit affected versions
12 explicit affected versions
70 explicit affected versions
41 explicit affected versions
1 explicit affected versions
10 explicit affected versions
1 explicit affected versions
28 explicit affected versions
13 explicit affected versions
58 explicit affected versions
1 explicit affected versions
30 explicit affected versions
33 explicit affected versions
10 explicit affected versions
43 explicit affected versions
11 explicit affected versions
66 explicit affected versions
27 explicit affected versions
2 explicit affected versions
61 explicit affected versions
23 explicit affected versions
1 explicit affected versions
7 explicit affected versions
20 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
17 explicit affected versions
1 explicit affected versions
18 explicit affected versions
1 explicit affected versions
20 explicit affected versions
7 explicit affected versions
16 explicit affected versions
44 explicit affected versions
16 explicit affected versions
12 explicit affected versions
38 explicit affected versions
9 explicit affected versions
114 explicit affected versions
17 explicit affected versions
49 explicit affected versions
74 explicit affected versions
51 explicit affected versions
11 explicit affected versions
42 explicit affected versions
16 explicit affected versions
43 explicit affected versions
1 explicit affected versions
92 explicit affected versions
89 explicit affected versions
12 explicit affected versions
20 explicit affected versions
4 explicit affected versions
7 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service (panic) because net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h lack a full memory barrier upon the assignment of a new table value, aka CID-175e476b8cdf.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=175e476b8cdf2a4de7432583b49c871345e4f8a1
- https://ubuntu.com/security/CVE-2021-29650
- https://ubuntu.com/security/notices/USN-4945-1
- https://ubuntu.com/security/notices/USN-4945-2
- https://ubuntu.com/security/notices/USN-4946-1
- https://ubuntu.com/security/notices/USN-4947-1
- https://ubuntu.com/security/notices/USN-4948-1
- https://ubuntu.com/security/notices/USN-4949-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2021-29650