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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2025-21766

ipv4: use RCU protection in __ip_rt_update_pmtu()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu() __ip_rt_update_pmtu() must use RCU protection to make sure the net structure it reads does not disappear.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 to < ce3c6165fce0f06305c806696882a3ad4b90e33faffected
  • 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 to < ea07480b23225942208f1b754fea1e7ec486d37eaffected
  • 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 to < 9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4affected
  • 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 to < 4583748b65dee4d61bd50a2214715b4237bc152aaffected
  • 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 to < a39f61d212d822b3062d7f70fa0588e50e55664eaffected
  • 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 to < 139512191bd06f1b496117c76372b2ce372c9a41affected
  • f415c264176e6095e9dee823e09c5bdd0ee0d337affected
  • 98776a365da509ad923083ae54b38ee521c52742affected
  • 860e2cc78c697c95bc749abb20047239fa1722eaaffected
  • 2b1be6c925cdf4638811765a9160796291494b89affected
  • 4.14.200 to < 4.15affected
  • 4.19.148 to < 4.20affected
  • 5.4.68 to < 5.5affected
  • 5.8.12 to < 5.9affected

Linux Linux

Default version status: affected

  • 5.9affected
  • 0 to < 5.9unaffected
  • 5.15.179 to ≤ 5.15.*unaffected
  • 6.1.129 to ≤ 6.1.*unaffected
  • 6.6.79 to ≤ 6.6.*unaffected
  • 6.12.16 to ≤ 6.12.*unaffected
  • 6.13.4 to ≤ 6.13.*unaffected
  • 6.14 to ≤ *unaffected

References