linux linux kernel 2.6.27.34 vulnerabilities and exploits

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The robust futex implementation in the Linux kernel prior to 2.6.28 does not properly handle processes that make exec system calls, which allows local users to cause a denial of service or possibly gain privileges by writing to a memory location in a child process.

Integer overflow in rose_sendmsg (sys/net/af_rose.c) in the Linux kernel 2.6.24.4, and other versions prior to 2.6.30-rc1, might allow remote malicious users to obtain sensitive information via a large length value, which causes "garbage" memory to be sent.

Linux kernel 2.6.18 up to and including 2.6.33, and possibly other versions, allows remote malicious users to cause a denial of service (memory corruption) via a large number of Bluetooth sockets, related to the size of sysfs files in (1) net/bluetooth/l2cap.c, (2) net/bluetooth/...

Integer signedness error in the ax25_setsockopt function in net/ax25/af_ax25.c in the ax25 subsystem in the Linux kernel prior to 2.6.31.2 allows local users to cause a denial of service (OOPS) via a crafted optlen value in an SO_BINDTODEVICE operation.

Integer overflow in the ext4_ext_get_blocks function in fs/ext4/extents.c in the Linux kernel prior to 2.6.34 allows local users to cause a denial of service (BUG and system crash) via a write operation on the last block of a large file, followed by a sync operation.

The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel prior to 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors ...

The sctp_process_unk_param function in net/sctp/sm_make_chunk.c in the Linux kernel 2.6.33.3 and previous versions, when SCTP is enabled, allows remote malicious users to cause a denial of service (system crash) via an SCTPChunkInit packet containing multiple invalid parameters t...

1 EDB exploit

The do_task_stat function in fs/proc/array.c in the Linux kernel prior to 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file fo...

net/ipv4/netfilter/arp_tables.c in the IPv4 implementation in the Linux kernel prior to 2.6.39 does not place the expected '\0' character at the end of string data in the values of certain structure members, which allows local users to obtain potentially sensitive infor...

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