> CVE-2026-64379

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PUBLISHED
2026-07-25 10:17
MODIFIED
2026-07-25 10:17
EPSS (Prob. Exploit)
0.31%
Top 77.4%
DATA SOURCES:
NVD 🔗 2026-07-25 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-09-14 MSRC 🔗 2026-11-02

> DESCRIPTION

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parse_dacl() applies the server-provided sub_auth[2] value from the NFS mode SID to cf_mode without masking to 07777. Apply the correct masking, same as in the read path.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update
An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (C...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (C...

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

smb: client: mask server-provided mode to 07777 in modefromsid

AFFECTED PACKAGES:
Unknown / Unknown
Linux / Kernel

> HISTORIQUE DES MODIFICATIONS

Première apparition
25/07/2026 10:17
Source: NVD
Total des modifications: 0 Dernière mise à jour: 3 months ago

> REFERENCES

https://git.kernel.org/stable/c/08c600b7e1818539ba5efee4cdb06215c245ca78
https://git.kernel.org/stable/c/5f6f2241034f189c69d4d0b5f8fe24a0c25b0c14
https://git.kernel.org/stable/c/b84e002e0df26bbc6cbd3ca01b8212601fe0ae7d
https://git.kernel.org/stable/c/c6c484a7d5bff6b929a86d7ed5130f29834c6a0d
https://git.kernel.org/stable/c/e3d9c7160d483fc8f9e225aafad8ecbbc43f3151
https://git.kernel.org/stable/c/ee2216dbdf0c677e89bb43e03247dba590ed00ef
https://git.kernel.org/stable/c/f511807feee7cb29b61bdfa86472c7e9e2e5df94
https://git.kernel.org/stable/c/f80add1bfb3425100a325b14f19648e75669a954
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