Medium severity5.5NVD Advisory· Published May 21, 2024· Updated Jun 17, 2026
CVE-2021-47257
CVE-2021-47257
Description
In the Linux kernel, the following vulnerability has been resolved:
net: ieee802154: fix null deref in parse dev addr
Fix a logic error that could result in a null deref if the user sets the mode incorrectly for the given addr type.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
41cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <4.9.274
- cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 4.4
- osv-coords34 versionspkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_60&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-kvmpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-kvmpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5
< 4.12.14-10.200.1+ 33 more
- (no CPE)range: < 4.12.14-10.200.1
- (no CPE)range: < 4.12.14-10.200.1
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-16.197.1
- (no CPE)range: < 4.12.14-16.197.1
- (no CPE)range: < 4.12.14-10.200.1
- (no CPE)range: < 4.12.14-16.197.1
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 1-8.3.1
- (no CPE)range: < 4.12.14-122.228.2
- (no CPE)range: < 4.12.14-122.228.2
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-16.197.1
- (no CPE)range: < 4.12.14-16.197.1
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.12.14-122.228.1
- (no CPE)range: < 4.12.14-16.197.1
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.18.0-553.16.1.rt7.357.el8_10
- (no CPE)range: < 4.12.14-10.200.1
Patches
Vulnerability mechanics
References
7- git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185nvdPatch
- git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0nvdPatch
- git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70nvdPatch
- git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1envdPatch
- git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627nvdPatch
- git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67nvdPatch
- git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993nvdPatch
News mentions
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