From above link: ---- Hello, Linux kernel built with the UDF file system(CONFIG_UDF_FS) support is vulnerable to a crash. It could occur while fetching inode information from a corrupted/malicious udf file system image. An unprivileged user could use this flaw to crash the kernel resulting in DoS. Upstream fix: ------------- -> https://git.kernel.org/linus/23b133bdc452aa441fcb9b82cbf6dd05cfd342d0 Thank you 'Carl H Lunde' for reporting this issue. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F ---- Reproducible: Always
Additional DoS bug(s) distinct from OP. http://www.openwall.com/lists/oss-security/2015/06/02/7 ---- Hello, Linux kernel built with the UDF file system(CONFIG_UDF_FS) support is vulnerable to a crash. It could occur while reading from a corrupted/malicious udf file system image. An unprivileged user could use this flaw to crash the kernel resulting in DoS. Upstream fixes: --------------- -> https://git.kernel.org/linus/e159332b9af4b04d882dbcfe1bb0117f0a6d4b58 -> https://git.kernel.org/linus/e237ec37ec154564f8690c5bd1795339955eeef9 -> https://git.kernel.org/linus/a1d47b262952a45aae62bd49cfaf33dd76c11a2c Thank you 'Carl H Lunde' for reporting this issue. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F ----
Fix in 4.0