Debian 9822 Published by

A linux-5.10 security update has been released for Debian GNU/Linux 10 LTS to address several vulnerabilities that may lead to a privilege escalation, denial of service or information leaks.



[SECURITY] [DLA 3623-1] linux-5.10 security update


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Debian LTS Advisory DLA-3623-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Ben Hutchings
October 19, 2023 https://wiki.debian.org/LTS
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Package : linux-5.10
Version : 5.10.197-1~deb10u1
CVE ID : CVE-2022-4269 CVE-2022-39189 CVE-2023-1206 CVE-2023-1380
CVE-2023-2002 CVE-2023-2007 CVE-2023-2124 CVE-2023-2269
CVE-2023-2898 CVE-2023-3090 CVE-2023-3111 CVE-2023-3141
CVE-2023-3212 CVE-2023-3268 CVE-2023-3338 CVE-2023-3389
CVE-2023-3609 CVE-2023-3611 CVE-2023-3772 CVE-2023-3773
CVE-2023-3776 CVE-2023-3863 CVE-2023-4004 CVE-2023-4128
CVE-2023-4132 CVE-2023-4147 CVE-2023-4194 CVE-2023-4244
CVE-2023-4273 CVE-2023-4622 CVE-2023-4623 CVE-2023-4921
CVE-2023-20588 CVE-2023-21255 CVE-2023-21400 CVE-2023-31084
CVE-2023-34256 CVE-2023-34319 CVE-2023-35788 CVE-2023-35823
CVE-2023-35824 CVE-2023-40283 CVE-2023-42753 CVE-2023-42755
CVE-2023-42756
Debian Bug : 871216 1035359 1036543 1044518 1050622

Several vulnerabilities have been discovered in the Linux kernel that
may lead to a privilege escalation, denial of service or information
leaks.

CVE-2022-4269

William Zhao discovered that a flaw in the Traffic Control (TC)
subsystem when using a specific networking configuration
(redirecting egress packets to ingress using TC action "mirred"),
may allow a local unprivileged user to cause a denial of service
(triggering a CPU soft lockup).

CVE-2022-39189

Jann Horn discovered that TLB flush operations are mishandled in
the KVM subsystem in certain KVM_VCPU_PREEMPTED situations, which
may allow an unprivileged guest user to compromise the guest
kernel.

CVE-2023-1206

It was discovered that the networking stack permits attackers to
force hash collisions in the IPv6 connection lookup table, which
may result in denial of service (significant increase in the cost
of lookups, increased CPU utilization).

CVE-2023-1380

Jisoo Jang reported a heap out-of-bounds read in the brcmfmac
Wi-Fi driver. On systems using this driver, a local user could
exploit this to read sensitive information or to cause a denial of
service.

CVE-2023-2002

Ruiahn Li reported an incorrect permissions check in the Bluetooth
subsystem. A local user could exploit this to reconfigure local
Bluetooth interfaces, resulting in information leaks, spoofing, or
denial of service (loss of connection).

CVE-2023-2007

Lucas Leong and Reno Robert discovered a
time-of-check-to-time-of-use flaw in the dpt_i2o SCSI controller
driver. A local user with access to a SCSI device using this
driver could exploit this for privilege escalation.

This flaw has been mitigated by removing support for the I2OUSRCMD
operation.

CVE-2023-2124

Kyle Zeng, Akshay Ajayan and Fish Wang discovered that missing
metadata validation may result in denial of service or potential
privilege escalation if a corrupted XFS disk image is mounted.

CVE-2023-2269

Zheng Zhang reported that improper handling of locking in the
device mapper implementation may result in denial of service.

CVE-2023-2898

It was discovered that missing sanitising in the f2fs file system
may result in denial of service if a malformed file system is
accessed.

CVE-2023-3090

It was discovered that missing initialization in ipvlan networking
may lead to an out-of-bounds write vulnerability, resulting in
denial of service or potentially the execution of arbitrary code.

CVE-2023-3111

The TOTE Robot tool found a flaw in the Btrfs filesystem driver
that can lead to a use-after-free. It's unclear whether an
unprivileged user can exploit this.

CVE-2023-3141

A flaw was discovered in the r592 memstick driver that could lead
to a use-after-free after the driver is removed or unbound from a
device. The security impact of this is unclear.

CVE-2023-3212

Yang Lan discovered that missing validation in the GFS2 filesystem
could result in denial of service via a NULL pointer dereference
when mounting a malformed GFS2 filesystem.

CVE-2023-3268

It was discovered that an out-of-bounds memory access in relayfs
could result in denial of service or an information leak.

CVE-2023-3338

Davide Ornaghi discovered a flaw in the DECnet protocol
implementation which could lead to a null pointer dereference or
use-after-free. A local user can exploit this to cause a denial of
service (crash or memory corruption) and probably for privilege
escalation.

This flaw has been mitigated by removing the DECnet protocol
implementation.

CVE-2023-3389

Querijn Voet discovered a use-after-free in the io_uring
subsystem, which may result in denial of service or privilege
escalation.

CVE-2023-3609, CVE-2023-3776. CVE-2023-4128

It was discovered that a use-after-free in the cls_fw, cls_u32,
cls_route and network classifiers may result in denial of service
or potential local privilege escalation.

CVE-2023-3611

It was discovered that an out-of-bounds write in the traffic
control subsystem for the Quick Fair Queueing scheduler (QFQ) may
result in denial of service or privilege escalation.

CVE-2023-3772

Lin Ma discovered a NULL pointer dereference flaw in the XFRM
subsystem which may result in denial of service.

CVE-2023-3773

Lin Ma discovered a flaw in the XFRM subsystem, which may result
in denial of service for a user with the CAP_NET_ADMIN capability
in any user or network namespace.

CVE-2023-3863

It was discovered that a use-after-free in the NFC implementation
may result in denial of service, an information leak or potential
local privilege escalation.

CVE-2023-4004

It was discovered that a use-after-free in Netfilter's
implementation of PIPAPO (PIle PAcket POlicies) may result in
denial of service or potential local privilege escalation for a
user with the CAP_NET_ADMIN capability in any user or network
namespace.

CVE-2023-4132

A use-after-free in the driver for Siano SMS1xxx based MDTV
receivers may result in local denial of service.

CVE-2023-4147

Kevin Rich discovered a use-after-free in Netfilter when adding a
rule with NFTA_RULE_CHAIN_ID, which may result in local privilege
escalation for a user with the CAP_NET_ADMIN capability in any
user or network namespace.

CVE-2023-4194

A type confusion in the implementation of TUN/TAP network devices
may allow a local user to bypass network filters.

CVE-2023-4244

A race condition was found in the nftables subsystem that could
lead to a use-after-free. A local user could exploit this to
cause a denial of service (crash), information leak, or possibly
for privilege escalation.

CVE-2023-4273

Maxim Suhanov discovered a stack overflow in the exFAT driver,
which may result in local denial of service via a malformed file
system.

CVE-2023-4622

Bing-Jhong Billy Jheng discovered a use-after-free within the Unix
domain sockets component, which may result in local privilege
escalation.

CVE-2023-4623

Budimir Markovic reported a missing configuration check in the
sch_hfsc network scheduler that could lead to a use-after-free or
other problems. A local user with the CAP_NET_ADMIN capability in
any user or network namespace could exploit this to cause a denial
of service (crash or memory corruption) or possibly for privilege
escalation.

CVE-2023-4921

"valis" reported flaws in the sch_qfq network scheduler that could
lead to a use-after-free. A local user with the CAP_NET_ADMIN
capability in any user or network namespace could exploit this to
cause a denial of service (crash or memory corruption) or possibly
for privilege escalation.

CVE-2023-20588

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Koepf and
Oleksii Oleksenko discovered that on some AMD CPUs with the Zen1
micro architecture an integer division by zero may leave stale
quotient data from a previous division, resulting in a potential
leak of sensitive data.

CVE-2023-21255

A use-after-free was discovered in the Android binder driver,
which may result in local privilege escalation on systems where
the binder driver is loaded.

CVE-2023-21400

Ye Zhang and Nicolas Wu discovered a double-free in the io_uring
subsystem, which may result in denial of service or privilege
escalation.

CVE-2023-31084

It was discovered that the DVB Core driver does not properly
handle locking of certain events, allowing a local user to cause a
denial of service.

CVE-2023-34256

The syzbot tool found a time-of-check-to-time-of-use flaw in the
ext4 filesystem driver. An attacker able to mount a disk image or
device that they can also write to directly could exploit this to
cause an out-of-bounds read, possibly resulting in a leak of
sensitive information or denial of service (crash).

CVE-2023-34319

Ross Lagerwall discovered a buffer overrun in Xen's netback driver
which may allow a Xen guest to cause denial of service to the
virtualisation host by sending malformed packets.

CVE-2023-35788

Hangyu Hua discovered that an off-by-one in the Flower traffic
classifier may result in local denial of service or the execution
of privilege escalation.

CVE-2023-35823

A flaw was discovered in the saa7134 media driver that could lead
to a use-after-free after the driver is removed or unbound from a
device. The security impact of this is unclear.

CVE-2023-35824

A flaw was discovered in the dm1105 media driver that could lead
to a use-after-free after the driver is removed or unbound from a
device. The security impact of this is unclear.

CVE-2023-40283

A use-after-free was discovered in Bluetooth L2CAP socket
handling.

CVE-2023-42753

Kyle Zeng discovered an off-by-one error in the netfilter ipset
subsystem which could lead to out-of-bounds memory access. A
local user with the CAP_NET_ADMIN capability in any user or
network namespace could exploit this to cause a denial of service
(memory corruption or crash) and possibly for privilege
escalation.

CVE-2023-42755

Kyle Zeng discovered missing configuration validation in the
cls_rsvp network classifier which could lead to out-of-bounds
reads. A local user with the CAP_NET_ADMIN capability in any user
or network namespace could exploit this to cause a denial of
service (crash) or to leak sensitive information.

This flaw has been mitigated by removing the cls_rsvp classifier.

CVE-2023-42756

Kyle Zeng discovered a race condition in the netfiler ipset
subsystem which could lead to an assertion failure. A local user
with the CAP_NET_ADMIN capability in any user or network namespace
could exploit this to cause a denial of service (crash).

For Debian 10 buster, these problems have been fixed in version
5.10.197-1~deb10u1. This update additionally fixes Debian bugs
#871216, #1035359, #1036543, #1044518, and #1050622; and includes many
more bug fixes from stable updates 5.10.180-5.10.197 inclusive.

We recommend that you upgrade your linux-5.10 packages.

For the detailed security status of linux-5.10 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/linux-5.10

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS