CVE-2023-52622: ext4: avoid online resizing failures due to oversized flex bg
First published: Tue Mar 26 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid online resizing failures due to oversized flex bg The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2023-52622">CVE-2023-52622</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/20240326171931.1354035-5-lee@kernel.org/T">https://lore.kernel.org/linux-cve-announce/20240326171931.1354035-5-lee@kernel.org/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | <6.1.77 | 6.1.77 |
| redhat/kernel | <6.6.16 | 6.6.16 |
| redhat/kernel | <6.7.4 | 6.7.4 |
| redhat/kernel | <6.8 | 6.8 |
| <4.19.307 | ||
| >=4.20<5.4.269 | ||
| >=5.5<5.10.210 | ||
| >=5.11<5.15.149 | ||
| >=5.16<6.1.77 | ||
| >=6.2<6.6.16 | ||
| >=6.7<6.7.4 | ||
| =10.0 | ||
| Linux Kernel | <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<6.1.77 | |
| Linux Kernel | >=6.2<6.6.16 | |
| Linux Kernel | >=6.7<6.7.4 | |
| Debian Linux | =10.0 | |
| 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/5d1935ac02ca5aee364a449a35e2977ea84509b0
- https://git.kernel.org/stable/c/6d2cbf517dcabc093159cf138ad5712c9c7fa954
- https://git.kernel.org/stable/c/8b1413dbfe49646eda2c00c0f1144ee9d3368e0c
- https://git.kernel.org/stable/c/b183fe8702e78bba3dcef8e7193cab6898abee07
- https://git.kernel.org/stable/c/cd1f93ca97a9136989f3bd2bf90696732a2ed644
- https://git.kernel.org/stable/c/cfbbb3199e71b63fc26cee0ebff327c47128a1e8
- https://git.kernel.org/stable/c/d76c8d7ffe163c6bf2f1ef680b0539c2b3902b90
- https://git.kernel.org/stable/c/dc3e0f55bec4410f3d74352c4a7c79f518088ee2
- https://launchpad.net/bugs/cve/CVE-2023-52622
- https://access.redhat.com/security/cve/CVE-2023-52622
- https://lore.kernel.org/linux-cve-announce/20240326171931.1354035-5-lee@kernel.org/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2271689
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2271688#c6
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2271688
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52622
- https://nvd.nist.gov/vuln/detail/CVE-2023-52622
- https://security-tracker.debian.org/tracker/CVE-2023-52622
- https://ubuntu.com/security/CVE-2023-52622
- https://git.kernel.org/linus/5d1935ac02ca5aee364a449a35e2977ea84509b0
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-52622?
CVE-2023-52622 has a moderate severity level as it can lead to online resizing failures in ext4 filesystems.
How do I fix CVE-2023-52622?
To fix CVE-2023-52622, upgrade the Linux kernel to versions 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, or 6.8 depending on your distribution.
What does CVE-2023-52622 affect?
CVE-2023-52622 affects the ext4 filesystem within the Linux kernel, specifically during online resizing operations.
Is CVE-2023-52622 exploitable remotely?
CVE-2023-52622 is not considered remotely exploitable, but it may affect users with permissions to resize ext4 filesystems.
What are the affected versions in CVE-2023-52622?
Affected versions for CVE-2023-52622 include specific kernel versions up to 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, and 6.8.
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