CVE-2020-25668: Race Condition
First published: Wed May 26 2021(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 Solidfire Baseboard Management Controller | ||
| Netapp H410c Firmware | ||
| Netapp H410c | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| Netapp H700s Firmware | ||
| Netapp H700s | ||
| Netapp H300e Firmware | ||
| Netapp H300e | ||
| Netapp H500e Firmware | ||
| Netapp H500e | ||
| Netapp H700e Firmware | ||
| Netapp H700e | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| Netapp A250 Firmware | ||
| Netapp A250 | ||
| Netapp 500f Firmware | ||
| Netapp 500f | ||
| All of | ||
| Netapp Solidfire Baseboard Management Controller Firmware | ||
| Netapp Solidfire Baseboard Management Controller | ||
| All of | ||
| Netapp H410c Firmware | ||
| Netapp H410c | ||
| All of | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| All of | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| All of | ||
| Netapp H700s Firmware | ||
| Netapp H700s | ||
| All of | ||
| Netapp H300e Firmware | ||
| Netapp H300e | ||
| All of | ||
| Netapp H500e Firmware | ||
| Netapp H500e | ||
| All of | ||
| Netapp H700e Firmware | ||
| Netapp H700e | ||
| All of | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| All of | ||
| Netapp A250 Firmware | ||
| Netapp A250 | ||
| All of | ||
| Netapp 500f Firmware | ||
| Netapp 500f | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1893287,
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220
- https://www.openwall.com/lists/oss-security/2020/10/30/1,
- https://www.openwall.com/lists/oss-security/2020/11/04/3,
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
- http://www.openwall.com/lists/oss-security/2020/10/30/1
- http://www.openwall.com/lists/oss-security/2020/11/04/3
- https://security.netapp.com/advisory/ntap-20210702-0005/
- https://launchpad.net/bugs/cve/CVE-2020-25668
- https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
- https://www.openwall.com/lists/oss-security/2020/10/30/1%2C
- https://www.openwall.com/lists/oss-security/2020/11/04/3%2C
- https://www.openwall.com/lists/oss-security/2020/10/30/1
- https://git.kernel.org/linus/90bfdeef83f1d6c696039b6a917190dcbbad3220
- https://security-tracker.debian.org/tracker/CVE-2020-25668
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25668
- https://nvd.nist.gov/vuln/detail/CVE-2020-25668
- https://ubuntu.com/security/CVE-2020-25668
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/author
- agent/weakness
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/references
- agent/first-publish-date
- agent/tags
- collector/usn-cve
- source/Ubuntu
- agent/description
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/4.5
- version/linux linux kernel/4.10
- version/linux linux kernel/4.15
- version/linux linux kernel/4.20
- version/linux linux kernel/5.5
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/netapp
- canonical/netapp cloud backup
- canonical/netapp solidfire \& hci management node
- canonical/netapp solidfire baseboard management controller firmware
- canonical/netapp solidfire baseboard management controller
- canonical/netapp h410c firmware
- canonical/netapp h410c
- canonical/netapp h300s firmware
- canonical/netapp h300s
- canonical/netapp h500s firmware
- canonical/netapp h500s
- canonical/netapp h700s firmware
- canonical/netapp h700s
- canonical/netapp h300e firmware
- canonical/netapp h300e
- canonical/netapp h500e firmware
- canonical/netapp h500e
- canonical/netapp h700e firmware
- canonical/netapp h700e
- canonical/netapp h410s firmware
- canonical/netapp h410s
- canonical/netapp a250 firmware
- canonical/netapp a250
- canonical/netapp 500f firmware
- canonical/netapp 500f
- package-manager/debian