Medium severity5.5NVD Advisory· Published May 21, 2024· Updated Jun 17, 2026

CVE-2021-47287

Description

In the Linux kernel, the following vulnerability has been resolved:

driver core: auxiliary bus: Fix memory leak when driver_register() fail

If driver_register() returns with error we need to free the memory allocated for auxdrv->driver.name before returning from __auxiliary_driver_register()

Affected products

Linux/Kernel5 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.11,<5.13.6
- cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 5.11
osv-coords37 versions
pkg:rpm/almalinux/bpftool pkg:rpm/almalinux/kernel pkg:rpm/almalinux/kernel-abi-stablelists pkg:rpm/almalinux/kernel-core pkg:rpm/almalinux/kernel-cross-headers pkg:rpm/almalinux/kernel-debug pkg:rpm/almalinux/kernel-debug-core pkg:rpm/almalinux/kernel-debug-devel pkg:rpm/almalinux/kernel-debug-modules pkg:rpm/almalinux/kernel-debug-modules-extra pkg:rpm/almalinux/kernel-devel pkg:rpm/almalinux/kernel-doc pkg:rpm/almalinux/kernel-headers pkg:rpm/almalinux/kernel-modules pkg:rpm/almalinux/kernel-modules-extra pkg:rpm/almalinux/kernel-tools pkg:rpm/almalinux/kernel-tools-libs pkg:rpm/almalinux/kernel-tools-libs-devel pkg:rpm/almalinux/kernel-zfcpdump pkg:rpm/almalinux/kernel-zfcpdump-core pkg:rpm/almalinux/kernel-zfcpdump-devel pkg:rpm/almalinux/kernel-zfcpdump-modules pkg:rpm/almalinux/kernel-zfcpdump-modules-extra pkg:rpm/almalinux/perf pkg:rpm/almalinux/python3-perf pkg:rpm/almalinux/kernel-rt pkg:rpm/almalinux/kernel-rt-core pkg:rpm/almalinux/kernel-rt-debug pkg:rpm/almalinux/kernel-rt-debug-core pkg:rpm/almalinux/kernel-rt-debug-devel pkg:rpm/almalinux/kernel-rt-debug-kvm pkg:rpm/almalinux/kernel-rt-debug-modules pkg:rpm/almalinux/kernel-rt-debug-modules-extra pkg:rpm/almalinux/kernel-rt-devel pkg:rpm/almalinux/kernel-rt-kvm pkg:rpm/almalinux/kernel-rt-modules pkg:rpm/almalinux/kernel-rt-modules-extra
< 4.18.0-553.22.1.el8_10+ 36 more
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

CVE-2021-47287

Description

Affected products

Patches

Vulnerability mechanics

References

News mentions