What’s Vulnerable › Vulnerabilities

CVE-2024-35862: smb: client: fix potential UAF in smb2_is_network_name_deleted()

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-19 · updated 2026-08-04
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_network_name_deleted() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

Affected products

• Linux kernel: from 5.12 before 6.1.85; from 6.2 before 6.6.26; from 6.7 before 6.8.5; 6.9-rc1, 6.9-rc2 — fixed in 6.1.85, 6.6.26, 6.8.5

How to fix

Upgrade to a fixed version: Linux kernel 6.1.85, 6.6.26, 6.8.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/63981561ffd2d4987807df4126f96a11e18b0c1d
• https://git.kernel.org/stable/c/aa582b33f94453fdeaff1e7d0aa252c505975e01
• https://git.kernel.org/stable/c/d919b6ea15ffa56fbafef4a1d92f47aeda9af645
• https://git.kernel.org/stable/c/f9414004798d9742c1af23a1d839fe6a9503751c
• https://git.kernel.org/stable/c/63981561ffd2d4987807df4126f96a11e18b0c1d
• https://git.kernel.org/stable/c/aa582b33f94453fdeaff1e7d0aa252c505975e01
• https://git.kernel.org/stable/c/d919b6ea15ffa56fbafef4a1d92f47aeda9af645
• https://git.kernel.org/stable/c/f9414004798d9742c1af23a1d839fe6a9503751c

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