Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2021-47257net: ieee802154: fix null deref in parse dev addr

Medium 5.5

In plain English

A medium-severity null pointer dereference in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 86.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-abi-stablelists4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-core4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-cross-headers4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-core4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-modules4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-doc4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-headers4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-modules4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-modules-extra4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-rt4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-core4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-core4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-kvm4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-devel4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-kvm4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-modules4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-tools4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-tools-libs4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8perf4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8python3-perf4.18.0-553.16.1.el8_10ALSA-2024:5101
Debian:12linux5.10.46-1DEBIAN-CVE-2021-47257
Debian:13linux5.10.46-1DEBIAN-CVE-2021-47257
Debian:14linux5.10.46-1DEBIAN-CVE-2021-47257
Rocky Linux:8kernel0:4.18.0-553.16.1.el8_10RLSA-2024:5101
Rocky Linux:8kernel0:4.18.0-553.16.1.el8_10.cloud.0.1RXSA-2024:5101
Rocky Linux:8kernel-rt0:4.18.0-553.16.1.rt7.357.el8_10RLSA-2024:5102
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47257
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47257
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47257

Affected products (as reported)

VendorProductVersions
Linux Linux a26c5fd7622d4951425131d54a8c99f076fe2068 – before 1f95741981c899c4724647291fec5faa3c777185a26c5fd7622d4951425131d54a8c99f076fe2068 – before c6998ccfefa652bac3f9b236821e392af43efa1ea26c5fd7622d4951425131d54a8c99f076fe2068 – before 5f728ec65485625e30f46e5b4917ff023ad29ea0a26c5fd7622d4951425131d54a8c99f076fe2068 – before d0f47648b87b6d5f204cb7f3cbce6d36dab85a67a26c5fd7622d4951425131d54a8c99f076fe2068 – before c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627a26c5fd7622d4951425131d54a8c99f076fe2068 – before fdd51e34f45311ab6e48d2147cbc2904731b9993a26c5fd7622d4951425131d54a8c99f076fe2068 – before 9fdd04918a452980631ecc499317881c1d120b70
Linux Linux 4.4

Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References