Vulnerability · Published Jun 16, 2023 · Assigned by redhat
CVE-2023-3268
High 7.1
In plain English
A high-severity out-of-bounds read in kernel from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.5%top 55.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-doc | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-headers | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | perf | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | python3-perf | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| Debian:12 | linux | 6.1.37-1 | DEBIAN-CVE-2023-3268 |
| Debian:12 | linux | 6.1.37-1 | DSA-5448-1 |
| Debian:13 | linux | 6.3.7-1 | DEBIAN-CVE-2023-3268 |
| Debian:14 | linux | 6.3.7-1 | DEBIAN-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux | 5.15.0-79.86 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux | 5.15.0-79.86 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1042.47 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1042.47 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1009.9~22.04.3 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1045.52 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1045.52 | USN-6332-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1044.51.1 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1045.52.1 | USN-6332-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1039.47 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1039.47 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1011.11~22.04.1 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1039.44 | USN-6311-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1039.44 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1025.30 | USN-6311-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1025.30 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-31.31~22.04.1 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1035.38 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1035.38 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1037.42 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1037.42 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1039.44 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1039.44 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-79.88 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-79.88 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1011.11~22.04.1 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1030.30 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1030.30 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1010.10 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1016.16 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1002.2 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1014.14 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1040.46 | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1040.46 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1035.38 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1035.38 | UBUNTU-CVE-2023-3268 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-3268 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-3268 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
References
- https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
- DSA-5448 vendor-advisory
- [debian-lts-announce] 20230727 [SECURITY] [DLA 3508-1] linux security update mailing-list
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1
- DSA-5480 vendor-advisory
- https://security.netapp.com/advisory/ntap-20230824-0006/
- [debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html