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Vulnerability · Published Mar 25, 2024 · Assigned by Linux

CVE-2021-47149net: fujitsu: fix potential null-ptr-deref

Medium 5.5

In plain English

A medium-severity security flaw 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 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 86.6% 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: fujitsu: fix potential null-ptr-deref In fmvj18x_get_hwinfo(), if ioremap fails there will be NULL pointer deref. To fix this, check the return value of ioremap and return -1 to the caller in case of failure.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.14.6-1DEBIAN-CVE-2021-47149
Debian:13linux5.14.6-1DEBIAN-CVE-2021-47149
Debian:14linux5.14.6-1DEBIAN-CVE-2021-47149
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47149
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47149
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47149

Affected products (as reported)

VendorProductVersions
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before b92170e209f7746ed72eaac98f2c2f4b9af734e61da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 6dbf1101594f7c76990b63c35b5a40205a914b6b1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before c4f1c23edbe921ab2ecd6140d700e756cd44c5f71da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 7883d3895d0fbb0ba9bff0f8665f99974b45210f1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 22049c3d40f08facd1867548716a484dad6b32511da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 71723a796ab7881f491d663c6cd94b29be5fba501da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before f14bf57a08779a5dee9936f63ada0149ea89c5e61da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 52202be1cd996cde6e8969a128dc27ee45a7cb5e
Linux Linux 2.6.12

References