# CVE-2023-2162: bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u...

CVE-2023-2162 is fixed in 38 products on 1 platform, first by DEBIAN-CVE-2023-2162, released April 19, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-2162
- Priority: Routine
- CVSS: 6.6 (Important)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 19, 2023

## Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: use after free in unix_stream_sendpage (CVE-2023-4622)  * kernel: vmwgfx: reference count issue leads to use-after-free in surface handling (CVE-2023-5633)  * kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)  * Kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)  * hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Bug Fix(es):  * Backport OVS l4 Symmetric Hashing to rhel-8 (JIRA:RHEL-12746)  * Unbounded memory usage by TCP for receive buffers (JIRA:RHEL-15096)  * various kind of guests freeze on rhel 8.8 (JIRA:RHEL-15121)  * RHEL 8: netfilter: conntrack: Fix gre tunneling over ipv6  (JIRA:RHEL-15259)  * NFSv4.1 needs to handle ENOENT error from GETDEVICEINFO (JIRA:RHEL-16407)  * DM multipath showing failed path for an nvme-o-FC LUN when performing I/O operations (JIRA:RHEL-14718)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | bpftool almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | bpftool ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-abi-stablelists RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-abi-stablelists almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-abi-stablelists ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-core almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-core ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-cross-headers almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-cross-headers ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-core almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-core ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-devel almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-devel ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-modules almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-modules ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-modules-extra almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-debug-modules-extra ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-devel almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-devel ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-doc RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-doc almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-doc ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-headers ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-modules almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-modules ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-modules-extra almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-modules-extra ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-rt RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt rocky 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RLSA-2024:0134](https://patchblox.com/security/data/fix/linux/rlsa-2024-0134.md) | Jan 12, 2024 |
| Linux | kernel-rt-core RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-debug RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-debug-core RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-debug-devel RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-debug-kvm RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-debug-modules RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-debug-modules-extra RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-devel RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-kvm RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-modules RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-rt-modules-extra RHEL 8 | 0:4.18.0-513.11.1.rt7.313.el8_9 | [RHSA-2024:0134](https://patchblox.com/security/data/fix/linux/rhsa-2024-0134.md) | Jan 10, 2024 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-tools almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-tools ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-tools-libs almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-tools-libs ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-tools-libs-devel almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-tools-libs-devel ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-core almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-devel almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-modules almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | kernel-zfcpdump-modules-extra almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.11-1 | [DEBIAN-CVE-2023-2162](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2162.md) | Apr 19, 2023 |
| Linux | linux Debian 13.5 (trixie) | 6.1.11-1 | [DEBIAN-CVE-2023-2162](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2162.md) | Apr 19, 2023 |
| Linux | linux Debian 14 | 6.1.11-1 | [DEBIAN-CVE-2023-2162](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2162.md) | Apr 19, 2023 |
| Linux | perf RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | perf almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | perf ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-513.11.1.el8_9 | [RHSA-2024:0113](https://patchblox.com/security/data/fix/linux/rhsa-2024-0113.md) | Jan 10, 2024 |
| Linux | python3-perf almalinux 8 | 4.18.0-513.11.1.el8_9 | [ALSA-2024:0113](https://patchblox.com/security/data/fix/linux/alsa-2024-0113.md) | Jan 10, 2024 |
| Linux | python3-perf ol 8 | 0:4.18.0-513.11.0.1.el8_9 | [ELSA-2024-12069](https://patchblox.com/security/data/fix/linux/elsa-2024-12069.md) | Jan 11, 2024 |

---

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