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Многочисленные уязвимости в ядре Linux
Опубликовано:25 августа 2009 г.
SecurityVulns ID:10177
Уровень опасности:
Описание:Многочисленные DoS условия, утечка информации.
CVE:CVE-2009-2849 (The md driver (drivers/md/md.c) in the Linux kernel before 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: this is only a vulnerability when sysfs is writable by an attacker.)
 CVE-2009-2848 (The execve function in the Linux kernel, possibly 2.6.30-rc6 and earlier, does not properly clear the current->clear_child_tid pointer, which allows local users to cause a denial of service (memory corruption) via a clone system call with CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID enabled, which is not properly handled during thread creation and exit.)
 CVE-2009-2847 (The do_sigaltstack function in kernel/signal.c in Linux kernel 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.)
 CVE-2009-2846 (The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.)
 CVE-2009-2698 (The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2) net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving the MSG_MORE flag and a UDP socket.)
Оригинальный текстdocumentDEBIAN, [SECURITY] [DSA 1872-1] New Linux 2.6.18 packages fix several vulnerabilities (25.08.2009)

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