CVE-2020-12770
Published: May 9, 2020Last modified: November 8, 2023
Description
An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.7 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.50-r0) |
| Stream | linux-lts | Not affected (6.1.50-r0) |
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R54VC7B6MDYKP57AWC2HN7AUJYH62RKI/
- https://lkml.org/lkml/2020/4/13/870
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://usn.ubuntu.com/4411-1/
- https://usn.ubuntu.com/4412-1/
- https://usn.ubuntu.com/4413-1/
- https://usn.ubuntu.com/4414-1/
- https://usn.ubuntu.com/4419-1/
- https://www.debian.org/security/2020/dsa-4698
- https://www.debian.org/security/2020/dsa-4699