9.8
Critical
CVE-2026-45972 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in…
Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2_open_file() Zero out @err_iov and @err_buftype before retrying SMB2_open() to prevent an UAF bug if @data != NULL, otherwise a double free.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.0 | earliest → < 7.0 | 7.0 |
| Linux | 6.19 | 6.19.4 |
| Linux 6.18 | earliest → < 6.18.14 | 6.18.14 |
| Linux 6.12 | earliest → < 6.12.75 | 6.12.75 |
| Linux 6.6 | earliest → < 6.6.128 | 6.6.128 |
| Linux 6.1 | earliest → < 6.1.165 | 6.1.165 |
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published |
Show the 2 other branches Hide the 2 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published |
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