UBUNTU-CVE-2020-12659
An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.
02 / AFFECTED SOFTWARE
Affected packages
23 explicit affected versions
6 explicit affected versions
3 explicit affected versions
44 explicit affected versions
11 explicit affected versions
4 explicit affected versions
38 explicit affected versions
9 explicit affected versions
12 explicit affected versions
16 explicit affected versions
7 explicit affected versions
28 explicit affected versions
10 explicit affected versions
20 explicit affected versions
7 explicit affected versions
5 explicit affected versions
7 explicit affected versions
12 explicit affected versions
9 explicit affected versions
8 explicit affected versions
8 explicit affected versions
9 explicit affected versions
2 explicit affected versions
8 explicit affected versions
3 explicit affected versions
6 explicit affected versions
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.
05 / REFERENCES
Further evidence
- https://bugzilla.kernel.org/show_bug.cgi?id=207225
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02
- https://git.kernel.org/linus/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
- https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
- https://ubuntu.com/security/CVE-2020-12659
- https://ubuntu.com/security/notices/USN-4387-1
- https://ubuntu.com/security/notices/USN-4388-1
- https://ubuntu.com/security/notices/USN-4389-1
- https://www.cve.org/CVERecord?id=CVE-2020-12659