CVE-2024-26720: mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again
First published: Wed Apr 03 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2024-26720">CVE-2024-26720</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/2024040344-CVE-2024-26720-06fa@gregkh/T">https://lore.kernel.org/linux-cve-announce/2024040344-CVE-2024-26720-06fa@gregkh/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 | <6.1.79 | 6.1.79 |
| redhat/kernel | <6.6.18 | 6.6.18 |
| redhat/kernel | <6.7.6 | 6.7.6 |
| 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 |
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Reference Links
- https://git.kernel.org/stable/c/16b1025eaa8fc223ab4273ece20d1c3a4211a95d
- https://git.kernel.org/stable/c/1f12e4b3284d6c863f272eb2de0d4248ed211cf4
- https://git.kernel.org/stable/c/5099871b370335809c0fd1abad74d9c7c205d43f
- https://git.kernel.org/stable/c/65977bed167a92e87085e757fffa5798f7314c9f
- https://git.kernel.org/stable/c/81e7d2530d458548b90a5c5e76b77ad5e5d1c0df
- https://git.kernel.org/stable/c/9319b647902cbd5cc884ac08a8a6d54ce111fc78
- https://git.kernel.org/stable/c/c593d26fb5d577ef31b6e49a31e08ae3ebc1bc1e
- https://git.kernel.org/stable/c/ec18ec230301583395576915d274b407743d8f6c
- https://launchpad.net/bugs/cve/CVE-2024-26720
- https://access.redhat.com/security/cve/CVE-2024-26720
- https://lore.kernel.org/linux-cve-announce/2024040344-CVE-2024-26720-06fa@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2273142
- https://access.redhat.com/errata/RHSA-2024:4533
- https://access.redhat.com/errata/RHSA-2024:4554
- https://access.redhat.com/errata/RHSA-2024:6206
- https://access.redhat.com/errata/RHSA-2024:6567
- https://access.redhat.com/errata/RHSA-2024:7001
- https://access.redhat.com/errata/RHSA-2024:7000
- https://bugzilla.redhat.com/show_bug.cgi?id=2273141
- https://security-tracker.debian.org/tracker/CVE-2024-26720
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26720
- https://nvd.nist.gov/vuln/detail/CVE-2024-26720
- https://ubuntu.com/security/CVE-2024-26720
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-26720?
CVE-2024-26720 is classified as a low severity vulnerability in the Linux kernel.
How do I fix CVE-2024-26720?
To resolve CVE-2024-26720, you should update your Linux kernel to versions 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.79, 6.6.18, 6.7.6, or 6.8.
Which software is affected by CVE-2024-26720?
CVE-2024-26720 affects various versions of the Linux kernel as identified in the affected software list.
What can occur due to CVE-2024-26720?
CVE-2024-26720 may lead to a divide-by-zero error in the wb_dirty_limits() function.
Is CVE-2024-26720 patched?
Yes, CVE-2024-26720 has been resolved in the latest kernel updates.
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