Unrated severityNVD Advisory· Published Dec 11, 2020· Updated Aug 4, 2024

CVE-2020-27825

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

236

Linux/kerneldescription
Ubuntu/Linux Kernelllm-fuzzy
Range: <5.10-rc1
osv-coords234 versions
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pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_39&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_39&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_39&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_37&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_37&distro=SUSE%20Enterprise%20Storage%205 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_37&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_37&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_37&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_37&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_18&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 4.12.14-lp151.28.91.1+ 233 more
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 4.12.14-lp151.28.91.1
- (no CPE)range: < 4.12.14-8.58.1
- (no CPE)range: < 5.3.18-18.32.1
- (no CPE)range: < 4.12.14-16.41.1
- (no CPE)range: < 4.12.14-16.41.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.46.1.9.19.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-5.3.1
- (no CPE)range: < 1-5.3.1
- (no CPE)range: < 1-1.3.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-10.28.3
- (no CPE)range: < 4.12.14-14.47.1
- (no CPE)range: < 5.3.18-22.1
- (no CPE)range: < 4.12.14-10.28.3
- (no CPE)range: < 4.12.14-14.47.1
- (no CPE)range: < 5.3.18-22.1
- (no CPE)range: < 4.12.14-8.58.1
- (no CPE)range: < 5.3.18-18.32.1
- (no CPE)range: < 4.12.14-16.41.1
- (no CPE)range: < 4.12.14-16.41.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-10.28.3
- (no CPE)range: < 4.12.14-14.47.1
- (no CPE)range: < 5.3.18-22.1
- (no CPE)range: < 4.12.14-8.58.1
- (no CPE)range: < 5.3.18-18.32.1
- (no CPE)range: < 4.12.14-16.41.1
- (no CPE)range: < 4.12.14-16.41.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.121-92.149.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.12.14-95.68.1
- (no CPE)range: < 4.12.14-10.28.3
- (no CPE)range: < 4.12.14-14.47.1
- (no CPE)range: < 5.3.18-22.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-6.3.1
- (no CPE)range: < 1-8.3.1

Patches

Vulnerability mechanics

References

www.debian.org/security/2021/dsa-4843mitrevendor-advisoryx_refsource_DEBIAN
bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlmitremailing-listx_refsource_MLIST
lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlmitremailing-listx_refsource_MLIST
security.netapp.com/advisory/ntap-20210521-0008/mitrex_refsource_CONFIRM

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000