vulnerability
Debian: CVE-2022-49590: linux -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:C/A:N) | 2025-02-27 | 2025-02-27 | 2025-03-12 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:C/A:N)
Published
2025-02-27
Added
2025-02-27
Modified
2025-03-12
Description
In the Linux kernel, the following vulnerability has been resolved:
igmp: Fix data-races around sysctl_igmp_llm_reports.
While reading sysctl_igmp_llm_reports, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
This test can be packed into a helper, so such changes will be in the
follow-up series after net is merged into net-next.
if (ipv4_is_local_multicast(pmc->multiaddr) &&
!READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
Solution
debian-upgrade-linux
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