CVEvulnerability
CVE-2020-25668
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-362, CWE-662
Description
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.
Affected configurations
• linux linux kernel (< 4.4.242)
• linux linux kernel (>= 4.5 < 4.9.242)
• linux linux kernel (>= 4.10 < 4.14.204)
• linux linux kernel (>= 4.15 < 4.19.155)
• linux linux kernel (>= 4.20 < 5.4.75)
• linux linux kernel (>= 5.5 < 5.9.5)
• debian debian linux 9.0
• netapp cloud backup
• netapp solidfire \& hci management node
• netapp solidfire baseboard management controller firmware
• netapp h410c firmware
• netapp h300s firmware
• netapp h500s firmware
• netapp h700s firmware
• netapp h300e firmware
• netapp h500e firmware
• netapp h700e firmware
• netapp h410s firmware
• netapp a250 firmware
• netapp 500f firmware
Related
References
- http://www.openwall.com/lists/oss-security/2020/10/30/1 Exploit, Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/04/3 Exploit, Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C bugzilla.redhat.com
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210702-0005/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/10/30/1%2C www.openwall.com
- https://www.openwall.com/lists/oss-security/2020/11/04/3%2C www.openwall.com
- http://www.openwall.com/lists/oss-security/2020/10/30/1 Exploit, Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/04/3 Exploit, Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C bugzilla.redhat.com
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210702-0005/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/10/30/1%2C www.openwall.com
- https://www.openwall.com/lists/oss-security/2020/11/04/3%2C www.openwall.com