linux linux kernel 2.6.27.12 vulnerabilities and exploits

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The md driver (drivers/md/md.c) in the Linux kernel prior to 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE...

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 nfs4_proc_lock function in fs/nfs/nfs4proc.c in the NFSv4 client in the Linux kernel prior to 2.6.31-rc4 allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) by sending a certain response containing incorrect file attributes, which trigg...

1 EDB exploit

The selinux_ip_postroute_iptables_compat function in security/selinux/hooks.c in the SELinux subsystem in the Linux kernel prior to 2.6.27.22, and 2.6.28.x prior to 2.6.28.10, when compat_net is enabled, omits calls to avc_has_perm for the (1) node and (2) port, which allows loca...

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 processcompl_compat function in drivers/usb/core/devio.c in Linux kernel 2.6.x up to and including 2.6.32, and possibly other versions, does not clear the transfer buffer before returning to userspace when a USB command fails, which might make it easier for physically proxima...

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...

net/ipv4/netfilter/ip_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 inform...

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