CVE-2023-3212
Medium
Description
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
SeverityMedium
CVSS4.4
Exploit probability—
Product
Linux Kernel
PublishedJun 23, 2023
First seenJun 23, 2023
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.4 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.4, 6.4 | 6.4 |
| fedoraproject fedora | 38 | — |
| redhat enterprise_linux | 8.0, 9.0 | — |
| debian debian_linux | 10.0, 11.0, 12.0 | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| netapp h410c_firmware | No range specified | — |
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