VulnerabilityModified
CVE-2020-27825
A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1).
MEDIUM 5.7EPSS 0.28%
Does this matter?
Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.
Description
A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.
- CVSS 3.1
- 5.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.28% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel · redhat/enterprise linux · redhat/enterprise mrg · debian/debian linux · netapp/cloud backup · netapp/solidfire baseboard management controller firmware · netapp/h410c firmware
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1905155Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210521-0008/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4843Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1905155Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210521-0008/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4843Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.