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Vulnerability · Published Dec 25, 2023 · Assigned by mitre

CVE-2023-51781

High 7.0

In plain English

A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.0High
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.69-1DEBIAN-CVE-2023-51781
Debian:12linux6.1.69-1DSA-5593-1
Debian:13linux6.6.8-1DEBIAN-CVE-2023-51781
Debian:14linux6.6.8-1DEBIAN-CVE-2023-51781
Ubuntu:22.04:LTSlinux5.15.0-97.107USN-6653-1
Ubuntu:22.04:LTSlinux5.15.0-97.107UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-aws5.15.0-1055.60USN-6653-2
Ubuntu:22.04:LTSlinux-aws5.15.0-1055.60UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-azure5.15.0-1057.65UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-azure5.15.0-1057.65USN-6653-1
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1057.65.1UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1057.65.1USN-6653-1
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-gcp5.15.0-1052.60UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-gcp5.15.0-1052.60USN-6653-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-gke5.15.0-1051.56UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-gke5.15.0-1051.56USN-6653-4
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1037.43USN-6653-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1037.43UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-21.21~22.04.1USN-6651-1
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-21.21~22.04.1UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-ibm5.15.0-1047.50UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-ibm5.15.0-1047.50USN-6653-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1049.55UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1049.55USN-6653-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1051.56USN-6653-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1051.56UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-97.107USN-6653-3
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-97.107UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-21.21.1~22.04.1UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-21.21.1~22.04.1USN-6651-2
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1045.45UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1045.45USN-6653-1
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1014.14UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1022.22UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1009.9UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1033.33UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1033.33USN-6639-1
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1015.16UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1015.16USN-6651-2
Ubuntu:22.04:LTSlinux-oracle5.15.0-1052.58USN-6653-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1052.58UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-raspi5.15.0-1047.50UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-raspi5.15.0-1047.50USN-6653-1
Ubuntu:24.04:LTSlinux-raspi6.7.0-1001.1UBUNTU-CVE-2023-51781
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-riscv-6.56.5.0-21.21.1~22.04.1UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1008.9~22.04.1UBUNTU-CVE-2023-51781
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1008.9~22.04.1USN-6651-3
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34UBUNTU-CVE-2023-51781

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References