linux linux kernel 2.6.21.1 vulnerabilities and exploits

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drivers/firewire/ohci.c in the Linux kernel prior to 2.6.32-git9, when packet-per-buffer mode is used, allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unknown other impact via an unspecified ioctl associated with receiv...

Unspecified vulnerability in the EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel 2.6.32-git6 and previous versions allows local users to cause a denial of service (filesystem corruption) via unknown vectors, a different vulnera...

The skfp_ioctl function in drivers/net/skfp/skfddi.c in the Linux kernel prior to 2.6.28.6 permits SKFP_CLR_STATS requests only when the CAP_NET_ADMIN capability is absent, instead of when this capability is present, which allows local users to reset the driver statistics, relate...

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.

The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel prior to 2.6.32-git6 allows user-assisted remote malicious users to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG gro...

The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel prior to 2.6.32 allows user-assisted remote malicious users to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only fi...

The update_cr8_intercept function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel prior to 2.6.32-rc1 does not properly handle the absence of an Advanced Programmable Interrupt Controller (APIC), which allows local users to cause a denial of service (NULL pointer d...

The do_mmap_pgoff function in mm/nommu.c in the Linux kernel prior to 2.6.31.6, when the CPU lacks a memory management unit, allows local users to cause a denial of service (OOPS) via an application that attempts to allocate a large amount of memory.

1 EDB exploit

Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel prior to 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.

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