linux linux kernel 2.6.18.1 vulnerabilities and exploits

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The (1) sparc_mmap_check function in arch/sparc/kernel/sys_sparc.c and the (2) sparc64_mmap_check function in arch/sparc64/kernel/sys_sparc.c, in the Linux kernel 2.4 prior to 2.4.36.5 and 2.6 prior to 2.6.25.3, omit some virtual-address range (aka span) checks when the mmap MAP_...

Race condition in the ptrace and utrace support in the Linux kernel 2.6.9 up to and including 2.6.25, as used in Red Hat Enterprise Linux (RHEL) 4, allows local users to cause a denial of service (oops) via a long series of PTRACE_ATTACH ptrace calls to another user's proces...

2 EDB exploits

The disconnect method in the Philips USB Webcam (pwc) driver in Linux kernel 2.6.x prior to 2.6.22.6 "relies on user space to close the device," which allows user-assisted local malicious users to cause a denial of service (USB subsystem hang and CPU consumption in khub...

The sctp_new function in (1) ip_conntrack_proto_sctp.c and (2) nf_conntrack_proto_sctp.c in Netfilter in Linux kernel 2.6 prior to 2.6.20.13, and 2.6.21.x prior to 2.6.21.4, allows remote malicious users to cause a denial of service by causing certain invalid states that trigger ...

The random number feature in Linux kernel 2.6 prior to 2.6.20.13, and 2.6.21.x prior to 2.6.21.4, (1) does not properly seed pools when there is no entropy, or (2) uses an incorrect cast when extracting entropy, which might cause the random number generator to provide the same va...

Use-after-free vulnerability in the xacct_add_tsk function in kernel/tsacct.c in the Linux kernel prior to 2.6.19 allows local users to obtain potentially sensitive information from kernel memory or cause a denial of service (system crash) via a taskstats TASKSTATS_CMD_ATTR_PID c...

fs/cifs/cifssmb.c in the CIFS implementation in the Linux kernel prior to 2.6.34-rc4 allows remote malicious users to cause a denial of service (panic) via an SMB response packet with an invalid CountHigh value, as demonstrated by a response from an OS/2 server, related to the CI...

Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel prior to 2.6.34-rc6 allow remote malicious users to cause a denial of service (panic) or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, rela...

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