Linux Missing Lockdown Exploit

Linux suffers from a missing locking between ELF coredump code and userfaultfd VMA modification. Linux: missing locking between ELF coredump code and userfaultfd VMA modification Related CVE Numbers: CVE-2019-11599. elfcoredump has a comment back from something like 2.5.43-C3 that says: / We no...

Linux Kernel 2.2.x.2.3.x/2.4.x/2.5.x/2.6.x ELF Core Dump Local Buffer Overflow Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/13589/info The Linux kernel is susceptible to a local buffer-overflow vulnerability when attempting to create ELF coredumps. This issue is due to an integer-overflow flaw that results in a kernel buffer overflow during a...

kernel security and bug fix update

2.6.9-89.35.1.0.1.EL - XEN fix cpu hotplug crash Joe Jin orabug 7521308 - XEN Bring up vcpus before khelper init Joe Jin orabug 7521308 - XEN flush the tlb cache immediately Dave McCracken, Scott Shi orabug 9138767 - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug...

kernel security update

2.6.9-89.0.29.0.1.EL - XEN fix cpu hotplug crash Joe Jin orabug 7521308 - XEN Bring up vcpus before khelper init Joe Jin orabug 7521308 - XEN flush the tlb cache immediately Dave McCracken, Scott Shi orabug 9138767 - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug...

kernel security and bug fix update

2.6.9-89.0.18.0.1.EL - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug 6845794 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - backout patch sysrq-b that queues upto keventd thread Guru Anbalagane orabug 6125546 - netrx/netpoll race...

security flaw

The elfcoredump function in binfmtelf.c for Linux kernel 2.x.x to 2.2.27-rc2, 2.4.x to 2.4.31-pre1, and 2.6.x to 2.6.12-rc4 allows local users to execute arbitrary code via an ELF binary that, in certain conditions involving the createelftables function, causes a negative length argument to pass ...

Linux kernel ELF core dump privilege elevation

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, since it became clear from the discussion in January about the uselib vulnerability, that the Linux community prefers full, non-embargoed disclosure of kernel bugs, I release full details right now. However to follows at least some of the...

Linux Kernel 2.2.x/2.3.x/2.4.x/2.5.x/2.6.x - ELF Core Dump Local Buffer Overflow (PoC)

/ source: https://www.securityfocus.com/bid/13589/info The Linux kernel is susceptible to a local buffer-overflow vulnerability when attempting to create ELF coredumps. This issue is due to an integer-overflow flaw that results in a kernel buffer overflow during a 'copyfromuser' call. To exploit...