CVE-2024-35925: block: prevent division by zero in blk_rq_stat_sum()
First published: Sun May 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: block: prevent division by zero in blk_rq_stat_sum() The expression dst->nr_samples + src->nr_samples may have zero value on overflow. It is necessary to add a check to avoid division by zero. Found by Linux Verification Center (linuxtesting.org) with Svace.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.312 | 4.19.312 |
| redhat/kernel | <5.4.274 | 5.4.274 |
| redhat/kernel | <5.10.215 | 5.10.215 |
| redhat/kernel | <5.15.155 | 5.15.155 |
| redhat/kernel | <6.1.86 | 6.1.86 |
| redhat/kernel | <6.6.27 | 6.6.27 |
| redhat/kernel | <6.8.6 | 6.8.6 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/21e7d72d0cfcbae6042d498ea2e6f395311767f8
- https://git.kernel.org/stable/c/512a01da7134bac8f8b373506011e8aaa3283854
- https://git.kernel.org/stable/c/5f7fd6aa4c4877d77133ea86c14cf256f390b2fe
- https://git.kernel.org/stable/c/6a55dab4ac956deb23690eedd74e70b892a378e7
- https://git.kernel.org/stable/c/93f52fbeaf4b676b21acfe42a5152620e6770d02
- https://git.kernel.org/stable/c/98ddf2604ade2d954bf5ec193600d5274a43fd68
- https://git.kernel.org/stable/c/b0cb5564c3e8e0ee0a2d28c86fa7f02e82d64c3c
- https://git.kernel.org/stable/c/edd073c78d2bf48c5b8bf435bbc3d61d6e7c6c14
- https://launchpad.net/bugs/cve/CVE-2024-35925
- https://access.redhat.com/security/cve/CVE-2024-35925
- https://lore.kernel.org/linux-cve-announce/2024051914-CVE-2024-35925-fa17@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281753
- 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=2281752
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35925
- https://nvd.nist.gov/vuln/detail/CVE-2024-35925
- https://security-tracker.debian.org/tracker/CVE-2024-35925
- https://ubuntu.com/security/CVE-2024-35925
- https://git.kernel.org/linus/93f52fbeaf4b676b21acfe42a5152620e6770d02
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
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