UBUNTU-CVE-2020-12768
An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
12 explicit affected versions
5 explicit affected versions
11 explicit affected versions
78 explicit affected versions
45 explicit affected versions
13 explicit affected versions
8 explicit affected versions
30 explicit affected versions
10 explicit affected versions
23 explicit affected versions
7 explicit affected versions
10 explicit affected versions
7 explicit affected versions
8 explicit affected versions
38 explicit affected versions
51 explicit affected versions
1 explicit affected versions
10 explicit affected versions
1 explicit affected versions
6 explicit affected versions
3 explicit affected versions
17 explicit affected versions
10 explicit affected versions
23 explicit affected versions
14 explicit affected versions
10 explicit affected versions
2 explicit affected versions
26 explicit affected versions
44 explicit affected versions
4 explicit affected versions
22 explicit affected versions
11 explicit affected versions
4 explicit affected versions
6 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6
- https://git.kernel.org/linus/d80b64ff297e40c2b6f7d7abc1b3eba70d22a068
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d80b64ff297e40c2b6f7d7abc1b3eba70d22a068
- https://ubuntu.com/security/CVE-2020-12768
- https://ubuntu.com/security/notices/USN-4411-1
- https://ubuntu.com/security/notices/USN-4412-1
- https://ubuntu.com/security/notices/USN-4413-1
- https://www.cve.org/CVERecord?id=CVE-2020-12768