Ubuntu Security Notice 2663-1 - Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. A race condition was discovered in the Linux kernel's file_handle size verification. A local user could exploit this flaw to read potentially sensitive memory locations. Various other issues were also addressed.
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Ubuntu Security Notice 2662-1 - Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. A race condition was discovered in the Linux kernel's file_handle size verification. A local user could exploit this flaw to read potentially sensitive memory locations. Various other issues were also addressed.
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Ubuntu Security Notice 2616-1 - Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. A memory corruption issue was discovered in AES decryption when using the Intel AES-NI accelerated code path. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially escalate privileges on Intel base machines with AEC-GCM mode IPSec security association. Various other issues were also addressed.
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Ubuntu Security Notice 2615-1 - Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. A memory corruption issue was discovered in AES decryption when using the Intel AES-NI accelerated code path. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially escalate privileges on Intel base machines with AEC-GCM mode IPSec security association. Various other issues were also addressed.
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