Unrated severityNVD Advisory· Published May 13, 2021· Updated Aug 4, 2024
CVE-2020-27830
CVE-2020-27830
Description
A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.
Affected products
35- Linux/Linux Kerneldescription
- osv-coords34 versionspkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP2pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2
< 5.3.18-lp152.60.1+ 33 more
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (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: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 5.3.18-lp152.60.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 5.3.18-18.32.1
- (no CPE)range: < 5.3.18-24.46.1.9.19.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 1-5.3.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-22.1
- (no CPE)range: < 5.3.18-22.1
- (no CPE)range: < 5.3.18-18.32.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-22.1
- (no CPE)range: < 5.3.18-18.32.1
- (no CPE)range: < 5.3.18-24.46.1
- (no CPE)range: < 5.3.18-22.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- www.debian.org/security/2021/dsa-4843mitrevendor-advisoryx_refsource_DEBIAN
- www.openwall.com/lists/oss-security/2020/12/08/1mitremailing-listx_refsource_MLIST
- www.openwall.com/lists/oss-security/2020/12/08/4mitremailing-listx_refsource_MLIST
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlmitremailing-listx_refsource_MLIST
- security.netapp.com/advisory/ntap-20210625-0004/mitrex_refsource_CONFIRM
News mentions
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