CVE-2022-27950

medium

Published 2022-11-08 · Modified 2022-11-08

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CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

Description

In drivers/hid/hid-elo.c in the Linux kernel before 5.16.11, a memory leak exists for a certain hid_parse error condition.

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: memory leak in drivers/hid/hid-elo.c Red Hat statement Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. CVSS v3: 5.1 (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H) Errata / fixed releases…

Workaround

for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Description

kernel: memory leak in drivers/hid/hid-elo.c

Red Hat statement

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS v3: 5.1 (CVSS:3.1/AV:L/AC:H/PR:N/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-0:4.18.0-372.95.1.el8_6`	RHSA-2024:1188	2024-03-06T00:00:00Z
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8	`kernel-0:4.18.0-372.95.1.el8_6`	RHSA-2024:1188	2024-03-06T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 6	`kernel`	Not affected
Red Hat Enterprise Linux 7	`kernel`	Not affected
Red Hat Enterprise Linux 7	`kernel-rt`	Not affected
Red Hat Enterprise Linux 9	`kernel`	Not affected
Red Hat Enterprise Linux 9	`kernel-rt`	Not affected

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`
redhat	Red Hat Enterprise Linux 7	`Not affected`
redhat	Red Hat Enterprise Linux 7	`Not affected`
redhat	Red Hat Enterprise Linux 9	`Not affected`
redhat	Red Hat Enterprise Linux 9	`Not affected`

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

AlmaLinux Fixed 1 release

Version	Status	Fixed in
8	Fixed	`kernel-doc-4.18.0-425.3.1.el8.noarch.rpm`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`5.16.11-1`
sid	Fixed	`5.16.11-1`
forky	Fixed	`5.16.11-1`
bullseye	Fixed	`0`
bookworm	Fixed	`5.16.11-1`

Red Hat Fixed 1 release

Version	Status	Fixed in
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.