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CVE-2026-53295 In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail…

Description

In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail gracefully if there is no channel array attached to the mailbox controller. Otherwise the later dereference will cause an OOPS which might not be seen because mailbox controllers might instantiate very early. Remove the comment explaining the obvious while here.

Affected products and versions

Product Affected versions Fixed in
Linux 7.1 earliest → < 7.1 7.1
Linux 7.0 earliest → < 7.0.10 7.0.10
Linux 6.18 earliest → < 6.18.33 6.18.33
Linux 6.12 earliest → < 6.12.91 6.12.91
Linux 6.6 earliest → < 6.6.141 6.6.141
Linux 6.1 earliest → < 6.1.175 6.1.175
Linux 5.15 earliest → < 5.15.209 5.15.209
Linux 5.10 earliest → < 5.10.258 5.10.258
Linux 3.18 No fix stated
Show the 3 other branches
Product Affected versions Fixed in
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated

References

Timeline

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