Tracker / CVE-2023-53457
CVE-2023-53457
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 2.6.12.1 → 4.14.324 |
| linux | linux_kernel · 4.15 → 4.19.293 |
| linux | linux_kernel · 4.20 → 5.4.255 |
| linux | linux_kernel · 5.11 → 5.15.123 |
| linux | linux_kernel · 5.16 → 6.1.42 |
| linux | linux_kernel · 5.5 → 5.10.192 |
| linux | linux_kernel · 6.2 → 6.4.7 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.