CVE-2024-38612

ipv6: sr: fix invalid unregister error path

Published Jun 19, 2024 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
In the Linux kernel, the following vulnerability has been resolved:

ipv6: sr: fix invalid unregister error path

The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL
is not defined. In that case if seg6_hmac_init() fails, the
genl_unregister_family() isn't called.

This issue exist since commit 46738b1317e1 ("ipv6: sr: add option to control
lwtunnel support"), and commit 5559cea2d5aa ("ipv6: sr: fix possible
use-after-free and null-ptr-deref") replaced unregister_pernet_subsys()
with genl_unregister_family() in this error path.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3840-1 linux security update
Debian DSA Debian DSA DSA-5730-1 linux security update
Ubuntu USN Ubuntu USN USN-6949-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6949-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6951-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6951-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6951-3 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6951-4 Linux kernel (BlueField) vulnerabilities
Ubuntu USN Ubuntu USN USN-6952-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6953-1 Linux kernel (Oracle) vulnerabilities
Ubuntu USN Ubuntu USN USN-6955-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6979-1 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-7007-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7007-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7007-3 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7009-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7009-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7019-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-8633-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-8635-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-8633-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-8645-1 Linux kernel (Oracle) vulnerabilities
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Linux
Published
Updated
Oct 15, 2026, 12:43 AM
Reserved
Jun 18, 2024, 7:36 PM
Status
Modified
Published
Jun 19, 2024, 2:15 PM
Modified
Oct 15, 2026, 1:18 AM
Severity
Moderate
Public date
Jun 19, 2024, 12:00 AM