openSUSE: Security Advisory for the (openSUSE-SU-2021:1076-1)

Published: 2021-07-23 03:01:42
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Summary:
The remote host is missing an update for the 'the' Linux Distribution Package(s) announced via the openSUSE-SU-2021:1076-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-22555: A heap out-of-bounds write affecting Linux was discovered in net/netfilter/x_tables.c (bnc#1188116). - CVE-2021-33909: fs/seq_file.c did not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05 (bnc#1188062). - CVE-2021-3609: A use-after-free in can/bcm could have led to privilege escalation (bsc#1187215). - CVE-2021-3612: An out-of-bounds memory write flaw was found in the joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allowed a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability (bnc#1187585 ). - CVE-2021-35039: kernel/module.c in the Linux kernel mishandled Signature Verification, aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG, verification that a kernel module is signed, for loading via init_module, did not occur for a module.sig_enforce=1 command-line argument (bnc#1188080). The following non-security bugs were fixed: - ACPI: APEI: fix synchronous external aborts in user-mode (git-fixes). - ACPI: bus: Call kobject_put() in acpi_init() error path (git-fixes). - ACPICA: Fix memory leak caused by _CID repair function (git-fixes). - ACPI: EC: Make more Asus laptops use ECDT _GPE (git-fixes). - ACPI: processor idle: Fix up C-state latency if not ordered (git-fixes). - ACPI: property: Constify stubs for CONFIG_ACPI=n case (git-fixes). - ACPI: resources: Add checks for ACPI IRQ override (git-fixes). - ACPI: sysfs: Fix a buffer overrun problem with description_show() (git-fixes). - ALSA: hda/realtek: Add another ALC236 variant support (git-fixes). - ALSA: hda/realtek: Fix bass speaker DAC mapping for Asus UM431D (git-fixes). - ALSA: intel8x0: Fix breakage at ac97 clock measurement (git-fixes). - ALSA: isa: Fix error return code in snd_cmi8330_probe() (git-fixes). - ALSA: usb-audio: fix rate on Ozone Z90 USB headset (git-fixes). - ALSA: usb-audio: scarlett2: Fix wrong resume call (git-fixes). - ALSA: usb-audio: scarlett2: Read mixer volumes at init time (git-fixes). - ALSA: usb-audio: scarlett2: Read mux at ... Description truncated. Please see the references for more information.

Affected Versions:
'the' Linux Distribution Package(s) on openSUSE Leap 15.2.

Recommendations:
Please install the updated Linux Distribution Package(s).

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2021-22555
https://nvd.nist.gov/vuln/detail/CVE-2021-33909
https://nvd.nist.gov/vuln/detail/CVE-2021-35039
https://nvd.nist.gov/vuln/detail/CVE-2021-3609
https://nvd.nist.gov/vuln/detail/CVE-2021-3612

References:


https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WT3TYNEJZ7FKJMTYO3DX3Z7B2YCYPEJZ

Severity
High
CVSS Score
7.2
Published
2021-07-23
Modified
2021-07-26
Category
SuSE Local Security Checks

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