CVE-2020-25656
Summary
| CVE | CVE-2020-25656 |
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| State | PUBLIC |
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| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2020-12-02 01:15:00 UTC |
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| Updated | 2022-10-25 17:03:00 UTC |
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| Description | A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality. |
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NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|
| CVE-2020-25656 Linux Kernel vulnerability in StarWind VSAN for vSphere (VSA) |
MISC |
www.starwindsoftware.com |
|
| [SECURITY] [DLA 2494-1] linux security update |
MLIST |
lists.debian.org |
|
| LKML: Jiri Slaby: [PATCH 11/17] vt: keyboard, reorder user buffer handling in vt_do_kdgkb_ioctl |
MISC |
lkml.org |
Mailing List, Patch, Third Party Advisory |
| LKML: Jiri Slaby: Re: [oss-security] CVE-2020-25656: Linux kernel concurrency UAF in vt_do_kdgkb_ioctl |
MISC |
lkml.org |
Exploit, Mailing List, Third Party Advisory |
| 1888726 – (CVE-2020-25656) CVE-2020-25656 kernel: use-after-free in read in vt_do_kdgkb_ioctl |
MISC |
bugzilla.redhat.com |
Exploit, Issue Tracking, Patch, Third Party Advisory |
| [SECURITY] [DLA 2483-1] linux-4.19 security update |
MLIST |
lists.debian.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 239151 Red Hat Update for kernel (RHSA-2021:0856)
- 257070 CentOS Security Update for kernel (CESA-2021:0856)
- 353100 Amazon Linux Security Advisory for kernel : ALAC2012-2021-024
- 353101 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2021-025
- 353102 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2021-026
- 353133 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-018
- 375284 EulerOS Security Update for kernel (EulerOS-SA-2021-1311)
- 377038 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2020:0198)
- 610337 Google Pixel Android May 2021 Security Patch Missing
- 6140179 AWS Bottlerocket Security Update for kernel (GHSA-w2rr-82gq-x4q3)
- 670269 EulerOS Security Update for kernel (EulerOS-SA-2021-1808)
- 750376 OpenSUSE Security Update for RT kernel (openSUSE-SU-2021:0242-1)
- 750533 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2020:2112-1)
- 750609 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2020:1906-1)
- 750738 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2020:3326-1)
- 900040 CBL-Mariner Linux Security Update for kernel 5.4.91
- 903679 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3636)
- 906105 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3636-1)
