VulnerabilityModified
CVE-2020-25669
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed.
HIGH 7.8EPSS 0.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · debian/debian linux · 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
- Source
- secalert@redhat.com
References
- http://www.openwall.com/lists/oss-security/2020/11/05/2Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/20/5Exploit, Mailing List, Third Party Advisory
- https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7ePatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing 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
- https://www.openwall.com/lists/oss-security/2020/11/20/5%2C
- http://www.openwall.com/lists/oss-security/2020/11/05/2Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/20/5Exploit, Mailing List, Third Party Advisory
- https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7ePatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing 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
- https://www.openwall.com/lists/oss-security/2020/11/20/5%2C
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.