CVEvulnerability
CVE-2020-25669
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-416
Description
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.
Affected configurations
• linux linux kernel (< 4.4.245)
• linux linux kernel (>= 4.5 < 4.9.245)
• linux linux kernel (>= 4.10 < 4.14.208)
• linux linux kernel (>= 4.15 < 4.19.159)
• linux linux kernel (>= 4.20 < 5.4.79)
• linux linux kernel (>= 5.5 < 5.9.10)
• debian debian linux 9.0
• netapp cloud backup
• netapp solidfire \& hci management node
• netapp solidfire baseboard management controller
• netapp h300s firmware
• netapp h500s firmware
• netapp h700s firmware
• netapp h300e firmware
• netapp h500e firmware
• netapp h700e firmware
• netapp h410s firmware
• netapp h410c firmware
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://www.openwall.com/lists/oss-security/2020/11/05/2 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/20/5 Exploit, Mailing List, Third Party Advisory
- https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e 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-20210702-0006/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/11/05/2%2C www.openwall.com
- https://www.openwall.com/lists/oss-security/2020/11/20/5%2C www.openwall.com
- http://www.openwall.com/lists/oss-security/2020/11/05/2 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/20/5 Exploit, Mailing List, Third Party Advisory
- https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e 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-20210702-0006/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/11/05/2%2C www.openwall.com
- https://www.openwall.com/lists/oss-security/2020/11/20/5%2C www.openwall.com