Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix deadlock due to corruption of mbcache entries When manipulating xattr blocks, a deadlock can occur due to infinite loops within ext4xattrblockset. In this process, we continuously try to reuse xattr blocks for mbcache,...

DEBIAN-CVE-2022-50668

In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4xattrblockset where we constantly keep finding xattr block for reuse in mbcache but we are unable to...

CVE-2022-50668

Summary: CVE-2022-50668 is a Linux kernel ext4 mbcache deadlock issue caused by a non-atomic update of the e_reusable bit in a shared bitfield, which can lead to infinite retries in ext4_xattr_block_set() when manipulating xattr blocks. The fix uses atomic bit operations to prevent the race with ...