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CVE-2021-47252

batman-adv: Avoid WARN_ON timing related checks PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid WARN_ON timing related checks The soft/batadv interface for a queued OGM can be changed during the time the OGM was queued for transmission and when the OGM is actually transmitted by the worker. But WARN_ON must be used to denote kernel bugs and not to print simple warnings. A warning can simply be printed using pr_warn.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before 45011f2973f6b52cf50db397bb27bf805f5f0e7f; affected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before 6031daaaf6d5c359c99dfffa102e332df234ff09; affected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before 77a99aad5bc3ea105806ebae6be3cbadc2fc615e; affected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before e8e9d2968a9d08bf5c683afca182f1537edebf8d; affected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before e7fbd8184fa9e85f0d648c499841cb7ff6dec9f4; affected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before 282baa8104af44e04c4af3e7f933b44267c7f86f; affected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before 2eb4e0b3631832a4291c8bf4c9db873f60b128c8; affected ef0a937f7a1450d3a133ccd83c9c7d07587e7a00 before 9f460ae31c4435fd022c443a6029352217a16ac1
Linux / Linuxaffected 3.14; unaffected 0 before 3.14; unaffected 4.4.293 through 4.4.*; unaffected 4.9.274 through 4.9.*; unaffected 4.14.238 through 4.14.*; unaffected 4.19.196 through 4.19.*; unaffected 5.4.128 through 5.4.*; unaffected 5.10.46 through 5.10.*; unaffected 5.12.13 through 5.12.*; unaffected 5.13 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.