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Filename Latest commit message Latest commit date
Thadeu Lima de Souza Cascardo fab2f61cc3 netfilter: nf_tables: do not allow SET_ID to refer to another table 
commit 470ee20e069a6d05ae549f7d0ef2bdbcee6a81b2 upstream.

When doing lookups for sets on the same batch by using its ID, a set from a
different table can be used.

Then, when the table is removed, a reference to the set may be kept after
the set is freed, leading to a potential use-after-free.

When looking for sets by ID, use the table that was used for the lookup by
name, and only return sets belonging to that same table.

This fixes CVE-2022-2586, also reported as ZDI-CAN-17470.

Reported-by: Team Orca of Sea Security (@seasecresponse)
Fixes: 958bee14d0 ("netfilter: nf_tables: use new transaction infrastructure to handle sets")
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-08-25 11:17:27 +02:00
arch arm64: dts: uniphier: Fix USB interrupts for PXs3 SoC 2022-08-25 11:17:27 +02:00
block
certs
crypto
Documentation x86/speculation: Add RSB VM Exit protections 2022-08-11 12:57:53 +02:00
drivers USB: HCD: Fix URB giveback issue in tasklet function 2022-08-25 11:17:26 +02:00
fs fuse: limit nsec 2022-08-25 11:17:24 +02:00
include USB: HCD: Fix URB giveback issue in tasklet function 2022-08-25 11:17:26 +02:00
init
ipc
kernel
lib
LICENSES
mm mm/mremap: hold the rmap lock in write mode when moving page table entries. 2022-08-25 11:17:20 +02:00
net netfilter: nf_tables: do not allow SET_ID to refer to another table 2022-08-25 11:17:27 +02:00
samples
scripts
security
sound ALSA: hda/realtek: Add quirk for another Asus K42JZ model 2022-08-25 11:17:21 +02:00
tools x86/speculation: Add RSB VM Exit protections 2022-08-11 12:57:53 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
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.gitignore
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Makefile Makefile: link with -z noexecstack --no-warn-rwx-segments 2022-08-25 11:17:17 +02:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.