Vulnerability Description
The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.5, < 6.5.4 |
Related Weaknesses (CWE)
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4Release Notes
- https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ePatch
- https://lkml.org/lkml/2023/8/13/477Mailing ListPatch
- https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/TThird Party Advisory
- https://www.spinics.net/lists/stable-commits/msg317086.htmlMailing ListPatchThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4Release Notes
- https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ePatch
- https://lkml.org/lkml/2023/8/13/477Mailing ListPatch
- https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/TThird Party Advisory
- https://www.spinics.net/lists/stable-commits/msg317086.htmlMailing ListPatchThird Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
FAQ
What is CVE-2023-45898?
CVE-2023-45898 is a vulnerability with a CVSS score of 7.8 (HIGH). The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.
How severe is CVE-2023-45898?
CVE-2023-45898 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-45898?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.