BELL-CVE-2024-27069

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UBUNTU-CVE-2024-27069

In the Linux kernel, the following vulnerability has been resolved: ovl: relax WARNON in ovlverifyarea syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs. This type of use case is documented to cause...

CVE-2024-27069

CVE-2024-27069 affects the Linux kernel overlayfs ovl_verify_area path. The issue was a WARN_ON assertion triggered by syzbot’s copy-up loop when a lower file’s size changes underneath overlayfs. The documented fix relaxes the WARN_ON in ovl_verify_area and aligns error handling (returning EIO fo...