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

CVE-2020-27786

Description

A flaw was found in the Linux kernel’s implementation of MIDI, where an attacker with a local account and the permissions to issue ioctl commands to midi devices could trigger a use-after-free issue. A write to this specific memory while freed and before use causes the flow of execution to change and possibly allow for memory corruption or privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

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Affected products

240

Linux/Linux kerneldescription
Ubuntu/Linux Kernelllm-fuzzy
osv-coords238 versions
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pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_35&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_36&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_36&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 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_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 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_10&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_11&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_3&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_7&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 4.18.0-305.el8+ 237 more
- (no CPE)range: < 4.18.0-305.el8
- (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: < 3.0.101-108.120.1
- (no CPE)range: < 5.3.18-24.46.1.9.19.1
- (no CPE)range: < 4.4.180-94.138.1
- (no CPE)range: < 4.4.180-94.138.1
- (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: < 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: < 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: < 3.0.101-108.120.1
- (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: < 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: < 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: < 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: < 4.12.14-150.66.1
- (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: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 3.0.101-108.120.1
- (no CPE)range: < 10-2.2
- (no CPE)range: < 9-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 6-2.2
- (no CPE)range: < 5-2.2
- (no CPE)range: < 4-2.2
- (no CPE)range: < 4-2.2
- (no CPE)range: < 3-2.2
- (no CPE)range: < 3-2.2
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 10-2.2
- (no CPE)range: < 1-5.3.1
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 6-2.2
- (no CPE)range: < 4-2.2
- (no CPE)range: < 1-1.3.1
- (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: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-122.57.1
- (no CPE)range: < 3.0.101-108.120.1
- (no CPE)range: < 3.0.101-108.120.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 4.12.14-10.25.1
- (no CPE)range: < 4.12.14-14.44.2
- (no CPE)range: < 5.3.18-19.1
- (no CPE)range: < 4.12.14-10.25.1
- (no CPE)range: < 4.12.14-14.44.2
- (no CPE)range: < 5.3.18-19.1
- (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: < 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: < 3.0.101-108.120.1
- (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: < 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: < 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: < 4.12.14-10.25.1
- (no CPE)range: < 4.12.14-14.44.2
- (no CPE)range: < 5.3.18-19.1
- (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: < 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: < 3.0.101-108.120.1
- (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: < 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: < 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: < 4.12.14-10.25.1
- (no CPE)range: < 4.12.14-14.44.2
- (no CPE)range: < 5.3.18-19.1
- (no CPE)range: < 3.0.101-108.120.1
- (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: < 3.0.101-108.120.1
- (no CPE)range: < 4.12.14-197.78.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 9-2.2
- (no CPE)range: < 9-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 6-2.2
- (no CPE)range: < 6-2.2
- (no CPE)range: < 4-2.2
- (no CPE)range: < 4-2.2
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 8-2.2
- (no CPE)range: < 8-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 6-2.2
- (no CPE)range: < 6-2.2
- (no CPE)range: < 4-2.2
- (no CPE)range: < 4-2.2
- (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: < 10-2.2
- (no CPE)range: < 9-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 7-2.2
- (no CPE)range: < 6-2.2
- (no CPE)range: < 3-2.2
- (no CPE)range: < 1-6.3.1
- (no CPE)range: < 7-2.2
- (no CPE)range: < 5-2.2
- (no CPE)range: < 5-2.2
- (no CPE)range: < 3-2.2
- (no CPE)range: < 1-8.3.1
- (no CPE)range: < 2-2.2
- (no CPE)range: < 11-2.2
- (no CPE)range: < 10-2.2
- (no CPE)range: < 9-2.2
- (no CPE)range: < 9-2.2
- (no CPE)range: < 9-2.2
- (no CPE)range: < 9-2.2
- (no CPE)range: < 8-2.2

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2020/12/03/1mitremailing-listx_refsource_MLIST
bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mitrex_refsource_MISC
security.netapp.com/advisory/ntap-20210122-0002/mitrex_refsource_CONFIRM

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000