Log in Start free

Vulnerability · Published May 24, 2024 · Assigned by Linux

CVE-2021-47547net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound

Medium 4.4

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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.2%top 85.7% 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: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.15.15-1DEBIAN-CVE-2021-47547
Debian:13linux5.15.15-1DEBIAN-CVE-2021-47547
Debian:14linux5.15.15-1DEBIAN-CVE-2021-47547
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47547
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47547
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47547

Affected products (as reported)

VendorProductVersions
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before ec5bd0aef1cec96830d0c7e06d3597d9e786cc981da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 142ead3dc70411bd5977e8c47a6d8bf22287b3f81da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before d3dedaa5a601107cfedda087209772c76e364d581da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 2c1a6a9a011d622a7c61324a97a49801ba425eff1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 77ff166909458646e66450e42909e0adacc990491da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 12f907cb11576b8cd0b1d95a16d1f10ed5bb72371da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 61217be886b5f7402843677e4be7e7e83de9cb41
Linux Linux 2.6.12

References