CVE-2021-47336

Summary

In the Linux kernel, the following vulnerability has been resolved:

smackfs: restrict bytes count in smk_set_cipso()

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From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: [PATCH] smackfs: restrict bytes count in smk_set_cipso()

Commit 7ef4c19d245f3dc2 ("smackfs: restrict bytes count in smackfs write functions") missed that count > SMK_CIPSOMAX check applies to only format == SMK_FIXED24_FMT case.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < 5f9880403e6b71d56924748ba331daf836243fcaaffected
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < 5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2affected
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < cbd87ba6a13891acf6180783f8234a8b7a3e3d4daffected
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < 135122f174c357b7a3e58f40fa5792156c5e93e6affected
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < 3780348c1a0e14ffefcaf1fc521f815bcaac94b0affected
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < 8f5c773a2871cf446e3f36b2834fb25bbb28512baffected
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < 258fd821f69378453c071b9dd767b298810fc766affected
LinuxLinuxf7112e6c9abf1c70f001dcf097c1d6e218a93f5c < 49ec114a6e62d8d320037ce71c1aaf9650b3cafdaffected
LinuxLinux3.5affected
LinuxLinux0 < 3.5unaffected
LinuxLinux4.9.276 <= 4.9.*unaffected
LinuxLinux4.14.240 <= 4.14.*unaffected
LinuxLinux4.19.198 <= 4.19.*unaffected
LinuxLinux5.4.133 <= 5.4.*unaffected
LinuxLinux5.10.51 <= 5.10.*unaffected
LinuxLinux5.12.18 <= 5.12.*unaffected
LinuxLinux5.13.3 <= 5.13.*unaffected
LinuxLinux5.14 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References