CVE-2023-54305

Summary

In the Linux kernel, the following vulnerability has been resolved:

ext4: refuse to create ea block when umounted

The ea block expansion need to access s_root while it is already set as NULL when umount is triggered. Refuse this request to avoid panic.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < aedea161d031502a423ed1c7597754681a4f8cdaaffected
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < 21f6a80d9234422e2eb445734b22c78fc5bf6719affected
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < a92b67e768bde433b9385cde56c09deb58db269eaffected
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < 0dc0fa313bb4e86382a3e7125429710d44383196affected
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < 116008ada3d0de4991099edaf6b8c2e9cd6f225aaffected
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < 05cbf6ddd9847c7b4f0662c048f195b09405a9d0affected
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < a458a8c1d1fc4e10a1813786132b09a3863ad3f2affected
LinuxLinuxe50e5129f384ae282adebfb561189cdb19b81cee < f31173c19901a96bb2ebf6bcfec8a08df7095c91affected
LinuxLinux4.13affected
LinuxLinux0 < 4.13unaffected
LinuxLinux4.14.308 <= 4.14.*unaffected
LinuxLinux4.19.276 <= 4.19.*unaffected
LinuxLinux5.4.235 <= 5.4.*unaffected
LinuxLinux5.10.173 <= 5.10.*unaffected
LinuxLinux5.15.99 <= 5.15.*unaffected
LinuxLinux6.1.16 <= 6.1.*unaffected
LinuxLinux6.2.3 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References