UBUNTU-CVE-2021-29266
An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
02 / AFFECTED SOFTWARE
Affected packages
23 explicit affected versions
6 explicit affected versions
10 explicit affected versions
44 explicit affected versions
16 explicit affected versions
4 explicit affected versions
38 explicit affected versions
13 explicit affected versions
12 explicit affected versions
33 explicit affected versions
43 explicit affected versions
10 explicit affected versions
50 explicit affected versions
7 explicit affected versions
9 explicit affected versions
17 explicit affected versions
10 explicit affected versions
6 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9
- https://ubuntu.com/security/CVE-2021-29266
- https://ubuntu.com/security/notices/USN-4948-1
- https://ubuntu.com/security/notices/USN-4949-1
- https://www.cve.org/CVERecord?id=CVE-2021-29266