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Vulnerability · Published Dec 8, 2023 · Assigned by redhat

CVE-2023-6560Kernel: io_uring out of boundary memory access in __io_uaddr_map()

Medium 5.5

In plain English

A medium-severity security flaw 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 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 79.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.6.8-1DEBIAN-CVE-2023-6560
Debian:14linux6.6.8-1DEBIAN-CVE-2023-6560
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1015.15~22.04.1USN-6680-3
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1015.15~22.04.1UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1016.16~22.04.1USN-6680-2
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1016.16~22.04.1UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1015.15~22.04.1UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1015.15~22.04.1USN-6680-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-25.25~22.04.1UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-25.25~22.04.1USN-6680-2
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-25.25.1~22.04.1UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-25.25.1~22.04.1USN-6680-1
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1014.14UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1016.17USN-6680-1
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1016.17UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-6560
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-riscv-6.56.5.0-25.25.1~22.04.1UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1009.10~22.04.1UBUNTU-CVE-2023-6560
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1009.10~22.04.1USN-6680-1

Affected products (as reported)

VendorProductVersions
n/a kernel see references
n/a kernel see references
Red Hat Red Hat Enterprise Linux 6 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-823 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References