Hi All,
after a quiet month, it's time to release another set of hotfixes for 2.4.
Although 2.4.31 is out, about 1 third of the downloads are for 2.4.29, so
I still produce updates for this kernel.
The new versions are :
- 2.4.29-hf11
- 2.4.30-hf4
- 2.4.31-hf1
Main changes are various security fixes on sparc64 and x86_64, two fixes
related to bluetooth, and one bug affecting netlink sockets hashing.
All those can be fetched as tarballs, full patches and incremental patches
from there :
http://linux.exosec.net/kernel/2.4-hf/
I've built only 2.4.31-hf1 to ensure that I was not posting pure crap, but
I bet that within a few hours, Grant Coady will have posted full build
reports there :
http://scatter.mine.nu/linux-2.4-hotfix/
Please consult the changelog at the end of this mail for more information.
As usual, if anything goes wrong, do not hesitate to bother me.
Have fun,
willy
--
Changelog From 2.4.31 to 2.4.31-hf1 (semi-automated)
---------------------------------------
'+' = added ; '-' = removed
+ 2.4.31-sparc64-solaris-emu-check-cmsg-len-1 (David S. Miller)
[SPARC64]: Fix cmsg length checks in Solaris emulation layer.
+ 2.4.31-x86_64-ia64-32bit-execve-overflow-1 (Andi Kleen)
[PATCH] Fix buffer overflow in x86-64/ia64 32bit execve
Fix buffer overflow in x86-64/ia64 32bit execve. Originally noted
by Ilja van Sprundel. I fixed it for both x86-64 and IA64. Other
architectures are not affected.
+ 2.4.31-x86_64-ptrace-check-canonical-addr-1 (Andi Kleen)
[PATCH] Check for canonical addresses in ptrace
Check for canonical addresses in ptrace. This works around a AMD
bug that allows to hang the CPU by passing illegal addresses.
+ 2.4.31-x86_64-fix-ptrace-check-for-seg-regs-1 (Andi Kleen)
[PATCH] Fix canonical checking for segment registers in ptrace
Fix canonical checking for segment registers in ptrace. This avoids a
local DOS where a process could oops the kernel by passing bogus values
to ptrace. Some versions of UML did this. Found by Alexander Nyberg
+ 2.4.31-x86_64-disable-exception-stack-1 (Andi Kleen)
[PATCH] x86_64: Disable exception stack for stack faults
Just drop the exception stack for stack segment faults. This will
make some oops triple fault now, but that's better than allowing
user triggerable oops. Found from RedHat QA using crashme
+ 2.4.31-bluetooth-hci_usb-race-hangs-kernel-1 (Marcel Holtmann)
[PATCH] Fix introduced in 2.4.27pre2 for bluetooth hci_usb race
causes kernel hang.
> I have noticed a problem with a race condition fix introduced in
> 2.4.27-pre2 that causes the kernel to hang when disconnecting a
> Bluetooth USB dongle or doing 'hciconfig hci0 down'. No message is
> printed, the kernel just doesn't respond anymore.
if this works then we should do the same change in the bfusb driver. A
patch that fixes both drivers is attached.
+ 2.4.31-netlink-socket-hashing-bugs-1 (David S. Miller)
[NETLINK]: Fix two socket hashing bugs.
netlink_release() should only decrement the hash entry count if the
socket was actually hashed. netlink_autobind() needs to propagate
the error return from netlink_insert(). Otherwise, callers will not
see the error as they should and thus try to operate on a socket
with a zero pid, which is very bad. Thanks to Jakub Jelinek for
providing backtraces, and Herbert Xu for debugging patches to help
track this down.
+ 2.4.31-no-32bit-moves-on-seg-regs-1 (H. J. Lu)
[PATCH] newer i386/x86_64 assemblers prohibit instructions for moving
between a seg register and a 32bit location. The new i386/x86_64
assemblers no longer accept instructions for moving between a segment
register and a 32bit memory location.
+ 2.4.30-serial-null-dereference-1.diff (Julien Tinnes)
Potential null pointer dereference in serial driver.
END.
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