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Retbleed Fixed in Linux Kernel, Patch Delayed
Linus Torvalds says Retbleed has been addressed in the Linux kernel, but code complexity means the release will be delayed by a week to give more time for testing.
Linux kernel developers have successfully addressed Retbleed, the latest Spectre-like speculative execution attack against older AMD and Intel processors, Linus Torvalds wrote in a message to the Linux Kernel Mailing List on Sunday. However, the difficult repair process means there will be a delay of the release for Linux version 5.19 by a week.
"I think we've got the retbleed fallout all handled (knock wood)," Torvalds wrote.
The complexity of the fix wasn't the only reason for the release; there were two other development trees that independently asked for an extension. The other trees that needed the extension involve the btrfs filesystems and firmware for Intel GPU controllers.