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- From: Salvatore Bonaccorso <carnil AT debian.org>
- To: debian-security-announce AT lists.debian.org
- Subject: [IT-SecNots] [SECURITY] [DSA 5453-1] linux security update
- Date: Sun, 16 Jul 2023 21:39:59 +0000
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Hash: SHA512
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Debian Security Advisory DSA-5453-1 security AT debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
July 16, 2023 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : linux
CVE ID : CVE-2023-2156 CVE-2023-31248 CVE-2023-35001
Several vulnerabilities have been discovered in the Linux kernel that
may lead to a privilege escalation, denial of service or information
leaks.
CVE-2023-2156
It was discovered that a flaw in the handling of the RPL protocol
may allow an unauthenticated remote attacker to cause a denial of
service if RPL is enabled (not by default in Debian).
CVE-2023-31248
Mingi Cho discovered a use-after-free flaw in the Netfilter
nf_tables implementation when using nft_chain_lookup_byid, which may
result in local privilege escalation for a user with the
CAP_NET_ADMIN capability in any user or network namespace.
CVE-2023-35001
Tanguy DUBROCA discovered an out-of-bounds reads and write flaw in
the Netfilter nf_tables implementation when processing an
nft_byteorder expression, which may result in local privilege
escalation for a user with the CAP_NET_ADMIN capability in any user
or network namespace.
For the oldstable distribution (bullseye), these problems have been fixed
in version 5.10.179-2.
We recommend that you upgrade your linux packages.
For the detailed security status of linux please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/linux
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce AT lists.debian.org
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- [IT-SecNots] [SECURITY] [DSA 5453-1] linux security update, Salvatore Bonaccorso, 16.07.2023
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