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Vulnerability · Published Jul 24, 2023 · Assigned by redhat

CVE-2023-2860Out-of-bounds read when setting hmac data

Medium 4.4

In plain English

A medium-severity out-of-bounds read in Fedora from Fedora. 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 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.3%top 73.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. The flaw exists within the processing of seg6 attributes. The issue results from the improper validation of user-supplied data, which can result in a read past the end of an allocated buffer. This flaw allows a privileged local user to disclose sensitive information on affected installations of the Linux kernel.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.19.11-1DEBIAN-CVE-2023-2860
Debian:13linux5.19.11-1DEBIAN-CVE-2023-2860
Debian:14linux5.19.11-1DEBIAN-CVE-2023-2860
Ubuntu:22.04:LTSlinux5.15.0-57.63UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-aws5.15.0-1027.31UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-azure5.15.0-1030.37UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1030.37.1UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-gcp5.15.0-1026.33UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-gke5.15.0-1024.29UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1012.16UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-ibm5.15.0-1022.25UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1023.28UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-kvm5.15.0-1025.30UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-57.63UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1035.36USN-6247-1
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1035.36UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-oracle5.15.0-1026.32UBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-raspi5.15.0-1022.24UBUNTU-CVE-2023-2860
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-2860
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-2860

Affected products (as reported)

VendorProductVersions
n/a kernel see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Fedora Fedora see references

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References