Unrated severityNVD Advisory· Published Jul 7, 2021· Updated Aug 4, 2024

CVE-2021-35039

Description

kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG, verification that a kernel module is signed, for loading via init_module, does not occur for a module.sig_enforce=1 command-line argument.

Affected products

Linux/Linux kerneldescription
osv-coords71 versions
pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3
< 5.3.18-59.19.1+ 70 more
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1.lp152.8.38.1
- (no CPE)range: < 5.3.18-59.19.1.18.10.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-18.58.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-24.75.3.9.34.3
- (no CPE)range: < 5.3.18-24.75.3.9.34.3
- (no CPE)range: < 5.3.18-59.19.1.18.10.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.2
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 1-5.3.3
- (no CPE)range: < 1-7.3.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-18.58.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-24.75.2
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.2
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-18.58.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-24.75.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-45.2
- (no CPE)range: < 5.3.18-59.19.1

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.openwall.com/lists/oss-security/2021/07/06/3mitremailing-listx_refsource_MLIST
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14mitrex_refsource_CONFIRM
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mitrex_refsource_MISC
github.com/torvalds/linux/commit/0c18f29aae7ce3dadd26d8ee3505d07cc982df75mitrex_refsource_CONFIRM
lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlmitremailing-listx_refsource_MLIST
security.netapp.com/advisory/ntap-20210813-0004/mitrex_refsource_CONFIRM
www.openwall.com/lists/oss-security/2021/07/06/3mitrex_refsource_MISC

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