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Vulnerabilities

Vulnerability · CVE-2022-20141

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking.

Published Jun 1, 2022 · catalog updated Oct 16, 2026 · In ip_check_mc_rcu of igmp.c,

Check if you run it

No confirmed exploitation is on record for CVE-2022-20141. EPSS is 0.14%. Act only if a listed version of In ip_check_mc_rcu of igmp.c, is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (In ip_check_mc_rcu of igmp.c,).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Advisory link
Affected products
Android :linux_kernel:

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Android :linux_kernel::0 → :2022-06-05

How to fix CVE-2022-20141

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-20141. EPSS is 0.14%. Act only if a listed version of In ip_check_mc_rcu of igmp.c, is installed.

Which versions are affected?

Compare what you have installed with :0 → :2022-06-05. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 1, 2022 · Catalog

    Detected

    In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.

  2. Oct 13, 2026 · Catalog

    Fix available

    Android :linux_kernel: :0 → :2022-06-05

  3. Oct 13, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    :linux_kernel: fixed in :2022-06-05

  4. Oct 13, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    :linux_kernel: fixed in :2022-06-05

  5. Oct 13, 2026 · Catalog

    Updated

    In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.

  6. Oct 14, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.

  7. Oct 15, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.

  8. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.

Sources

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.