High [CVE-2023-5178] Kernel: use after free in nvmet_tcp_free_crypto in nvme
This high-severity Red Hat Linux advisory covers CVE-2023-5178 affecting Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions.
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Summary
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.
This vulnerability is actual only for systems where NVME over TCP being used. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-416.
Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.2 Telecommunications Update Service; Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Telecommunications Update Service; Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.0 Extended Update Support; Red Hat Enterprise Linux 9.2 Extended Update Support; Red Hat Virtualization 4 for Red Hat Enterprise Linux 8.
Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
- kernel-rt-0:4.18.0-513.9.1.rt7.311.el8_9
- kernel-0:4.18.0-513.9.1.el8_9
- kpatch-patch
- kernel-0:4.18.0-193.128.1.el8_2
- kernel-rt-0:4.18.0-193.128.1.rt13.179.el8_2
- kernel-0:4.18.0-305.114.1.el8_4
- kernel-rt-0:4.18.0-305.114.1.rt7.190.el8_4
- kernel-0:4.18.0-372.87.1.el8_6
- kernel-0:4.18.0-477.43.1.el8_8
- kernel-0:5.14.0-362.18.1.el9_3
- kernel-0:5.14.0-70.85.1.el9_0
- kernel-rt-0:5.14.0-70.85.1.rt21.156.el9_0
- kernel-0:5.14.0-284.40.1.el9_2
- kernel-rt-0:5.14.0-284.40.1.rt14.325.el9_2
- RHSA-2023:7548
- RHSA-2023:7549
- RHSA-2023:7554
- RHSA-2024:1268
- RHSA-2024:1269
- RHSA-2024:1278
- RHSA-2023:7557
- RHSA-2023:7551
- RHSA-2023:7559
- RHSA-2024:0378
- RHSA-2024:0412
- RHSA-2024:0554
- RHSA-2024:0575
- RHSA-2024:0461
- RHSA-2024:0340
- RHSA-2024:0432
- RHSA-2024:0431
- RHSA-2024:0386
- RHSA-2023:7370
- RHSA-2023:7379
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
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