Unrated severityNVD Advisory· Published Sep 1, 2022· Updated Aug 4, 2024
CVE-2020-27784
CVE-2020-27784
Description
A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().
Affected products
114- Linux/Linux kerneldescription
- osv-coords113 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%20Micro%205.2pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%20Micro%205.2pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%20Micro%205.2pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-default-base&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/kernel-docs&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-docs&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/kernel-docs&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/kernel-docs&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_30&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_24&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/kernel-preempt&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/kernel-preempt&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/kernel-preempt&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/kernel-preempt&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3
< 5.3.18-150300.59.93.1+ 112 more
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.38.80.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1.150300.18.54.1
- (no CPE)range: < 5.3.18-150300.59.93.1.150300.18.54.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.106.1
- (no CPE)range: < 5.3.18-150300.38.80.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.38.80.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.38.80.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150300.59.93.1.150300.18.54.1
- (no CPE)range: < 5.3.18-150300.59.93.1.150300.18.54.1
- (no CPE)range: < 5.3.18-150300.59.93.1.150300.18.54.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1.150200.9.61.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 1-150200.5.3.1
- (no CPE)range: < 1-150300.7.3.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.106.1
- (no CPE)range: < 5.3.18-150300.106.1
- (no CPE)range: < 5.3.18-150300.106.1
- (no CPE)range: < 5.3.18-150300.106.1
- (no CPE)range: < 5.3.18-150300.38.80.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.106.1
- (no CPE)range: < 5.3.18-150300.38.80.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.59.93.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150200.24.129.1
- (no CPE)range: < 5.3.18-150300.106.1
- (no CPE)range: < 5.3.18-150300.59.93.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mitrex_refsource_MISC
News mentions
0No linked articles in our index yet.