VulnerabilityAnalyzed
CVE-2023-3439
However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service.
MEDIUM 4.7EPSS 0.35%
Does this matter?
Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service.
- CVSS 3.1
- 4.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- patrick@puiterwijk.org
References
- http://www.openwall.com/lists/oss-security/2023/07/02/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2217915Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269Patch
- http://www.openwall.com/lists/oss-security/2023/07/02/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2217915Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.