Common vulnerabilities and Exposures (CVE)

Skip to main content

Required CVE Record Information

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb->_nfct and set skb->_nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the extension space used to free'd after an rcu grace period, plus the race needs events enabled to trigger.

Product Status

Learn more

Versions 8 Total

Default Status: unaffected

affected

  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before e97222b785e70e8973281666d709baad6523d8af 
  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before 92a999d1963eed0df666284e20055136ceabd12f 
  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before b16bb373988da3ceb0308381634117e18b6ec60d 
  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before 91a36ec160ec1a0c8f5352b772dffcbb0b6023e3 
  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before 01989d7eebb61c99bd4b88ebc8e261bd2f02caed 
  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before 04f9e9104c969d8ce10a4a43634f641ed082092d 
  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before 04e4a11dc723c52db7a36dc58f0d69ce6426f8f0 
  • affected from 71d8c47fc653711c41bc3282e5b0e605b3727956 before 56b14ecec97f39118bf85c9ac2438c5a949509ed 

Versions 10 Total

Default Status: affected

affected

  • affected at 4.7 

unaffected

  • unaffected from 0 before 4.7 
  • unaffected from 4.14.282 through 4.14.* 
  • unaffected from 4.19.246 through 4.19.* 
  • unaffected from 5.4.197 through 5.4.* 
  • unaffected from 5.10.120 through 5.10.* 
  • unaffected from 5.15.45 through 5.15.* 
  • unaffected from 5.17.13 through 5.17.* 
  • unaffected from 5.18.2 through 5.18.* 
  • unaffected from 5.19