CVE-2023-52615: hwrng: core - Fix page fault dead lock on mmap-ed hwrng
First published: Mon Mar 18 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: hwrng: core - Fix page fault dead lock on mmap-ed hwrng The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2023-52615">CVE-2023-52615</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/20240318101458.2835626-10-lee@kernel.org/T">https://lore.kernel.org/linux-cve-announce/20240318101458.2835626-10-lee@kernel.org/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=2.6.33<4.19.307 | |
| Linux Kernel | >=4.20<5.4.269 | |
| Linux Kernel | >=5.5<5.10.210 | |
| Linux Kernel | >=5.11<5.15.149 | |
| Linux Kernel | >=5.16<6.1.76 | |
| Linux Kernel | >=6.2<6.6.15 | |
| Linux Kernel | >=6.7<6.7.3 | |
| redhat/kernel | <4.19.307 | 4.19.307 |
| redhat/kernel | <5.4.269 | 5.4.269 |
| redhat/kernel | <5.10.210 | 5.10.210 |
| redhat/kernel | <5.15.149 | 5.15.149 |
| redhat/kernel | <6.1.76 | 6.1.76 |
| redhat/kernel | <6.6.15 | 6.6.15 |
| redhat/kernel | <6.7.3 | 6.7.3 |
| redhat/kernel | <6.8 | 6.8 |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/26cc6d7006f922df6cc4389248032d955750b2a0
- https://git.kernel.org/stable/c/5030d4c798863ccb266563201b341a099e8cdd48
- https://git.kernel.org/stable/c/6822a14271786150e178869f1495cc03e74c5029
- https://git.kernel.org/stable/c/78aafb3884f6bc6636efcc1760c891c8500b9922
- https://git.kernel.org/stable/c/aa8aa16ed9adf1df05bb339d588cf485a011839e
- https://git.kernel.org/stable/c/c6a8111aacbfe7a8a70f46cc0de8eed00561693c
- https://git.kernel.org/stable/c/eafd83b92f6c044007a3591cbd476bcf90455990
- https://git.kernel.org/stable/c/ecabe8cd456d3bf81e92c53b074732f3140f170d
- https://launchpad.net/bugs/cve/CVE-2023-52615
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://access.redhat.com/security/cve/CVE-2023-52615
- https://lore.kernel.org/linux-cve-announce/20240318101458.2835626-10-lee@kernel.org/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2270094
- https://access.redhat.com/errata/RHSA-2024:4211
- https://access.redhat.com/errata/RHSA-2024:4352
- https://access.redhat.com/errata/RHSA-2024:9315
- https://access.redhat.com/errata/RHSA-2025:2490
- https://bugzilla.redhat.com/show_bug.cgi?id=2270093
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52615
- https://nvd.nist.gov/vuln/detail/CVE-2023-52615
- https://security-tracker.debian.org/tracker/CVE-2023-52615
- https://ubuntu.com/security/CVE-2023-52615
- https://git.kernel.org/linus/78aafb3884f6bc6636efcc1760c891c8500b9922
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-52615?
CVE-2023-52615 is classified as a moderate severity vulnerability in the Linux kernel.
How do I fix CVE-2023-52615?
To fix CVE-2023-52615, upgrade to the patched versions of the Linux kernel: 4.19.308, 5.4.270, 5.10.211, 5.15.150, 6.1.77, 6.6.16, 6.7.4, or 6.8.
Which Linux kernel versions are affected by CVE-2023-52615?
CVE-2023-52615 affects Linux kernel versions from 2.6.33 up to but not including 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.76, 6.6.15, 6.7.3, and 6.8.
What type of vulnerability is CVE-2023-52615?
CVE-2023-52615 is a page fault deadlock vulnerability related to the hardware random number generator functionality in the Linux kernel.
Is there a workaround for CVE-2023-52615?
There is no specific workaround for CVE-2023-52615; updating to a secure version is the recommended mitigation.
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