CVE-2022-0617

medium

Published 2022-11-15 · Modified 2022-11-18

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

Description

Moderate: kernel security, bug fix, and enhancement update

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API

Description kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback Red Hat statement As the UDF module (udf.ho) will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions: # echo "install udf /bin/true" >> /etc/modprobe.d/disable-udf.conf If the system requires this module t\work correctly, this…

Workaround

may not be suitable. If you need further assistance, see the KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.

Description

kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback

Red Hat statement

As the UDF module (udf.ho) will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions: # echo "install udf /bin/true" >> /etc/modprobe.d/disable-udf.conf If the system requires this module t\work correctly, this mitigation may not be suitable. If you need further assistance, see the KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.

CVSS v3: 4.7 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Errata / fixed releases

Product	Package	Advisory	Released
Red Hat Enterprise Linux 8	`kernel-rt-0:4.18.0-425.3.1.rt7.213.el8`	RHSA-2022:7444	2022-11-08T00:00:00Z
Red Hat Enterprise Linux 8	`kernel-0:4.18.0-425.3.1.el8`	RHSA-2022:7683	2022-11-08T00:00:00Z
Red Hat Enterprise Linux 8.6 Extended Update Support	`kernel-0:4.18.0-372.91.1.el8_6`	RHSA-2024:0724	2024-02-07T00:00:00Z
Red Hat Enterprise Linux 9	`kernel-0:5.14.0-162.6.1.el9_1`	RHSA-2022:8267	2022-11-15T00:00:00Z
Red Hat Enterprise Linux 9	`kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1`	RHSA-2022:7933	2022-11-15T00:00:00Z
Red Hat Enterprise Linux 9	`kernel-0:5.14.0-162.6.1.el9_1`	RHSA-2022:8267	2022-11-15T00:00:00Z
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8	`kernel-0:4.18.0-372.91.1.el8_6`	RHSA-2024:0724	2024-02-07T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 6	`kernel`	Not affected
Red Hat Enterprise Linux 7	`kernel`	Out of support scope
Red Hat Enterprise Linux 7	`kernel-rt`	Out of support scope

Apply commands

bash fix

Apply RHSA-2022:7444 for Red Hat Enterprise Linux 8

yum update -y kernel-rt
# or:
dnf upgrade -y kernel-rt

Affected

Vendor	Product	Version
redhat	Red Hat Enterprise Linux 6	`Not affected`

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

AlmaLinux Fixed 1 release

Version	Status	Fixed in
9	Fixed	`kernel-rt-debug-core-5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`5.16.7-1`
sid	Fixed	`5.16.7-1`
forky	Fixed	`5.16.7-1`
bullseye	Fixed	`5.10.103-1`
bookworm	Fixed	`5.16.7-1`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.