VulnerabilityModified
CVE-2023-45898
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.
HIGH 7.8EPSS 0.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.27% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4Release Notes
- https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ecPatch
- https://lkml.org/lkml/2023/8/13/477Mailing List, Patch
- https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/Third Party Advisory
- https://www.spinics.net/lists/stable-commits/msg317086.htmlMailing List, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4Release Notes
- https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ecPatch
- https://lkml.org/lkml/2023/8/13/477Mailing List, Patch
- https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/Third Party Advisory
- https://www.spinics.net/lists/stable-commits/msg317086.htmlMailing List, Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.