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CVE PROGRAM SOURCE RECORDUnscored

CVE-2023-53839

dccp: fix data-race around dp->dccps_mss_cache

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: dccp: fix data-race around dp->dccps_mss_cache dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket. Same thing in do_dccp_getsockopt(). Add READ_ONCE()/WRITE_ONCE() annotations, and change dccp_sendmsg() to check again dccps_mss_cache after socket is locked.

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

  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < 162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1affected
  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < 2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817affected
  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < 67eebc7a9217f999b779d46fba5312a716f0dc1daffected
  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < 6d701c95ee6463abcbb6da543060d6e444554135affected
  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < f239c9e1d98b313435481b4926e8bdd06197e4d8affected
  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < a6ddc1c774874dc704f96a99d015dc759627bba7affected
  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384affected
  • 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c to < a47e598fbd8617967e49d85c49c22f9fc642704caffected

Linux Linux

Default version status: affected

  • 2.6.14affected
  • 0 to < 2.6.14unaffected
  • 4.14.323 to ≤ 4.14.*unaffected
  • 4.19.292 to ≤ 4.19.*unaffected
  • 5.4.254 to ≤ 5.4.*unaffected
  • 5.10.191 to ≤ 5.10.*unaffected
  • 5.15.127 to ≤ 5.15.*unaffected
  • 6.1.46 to ≤ 6.1.*unaffected
  • 6.4.11 to ≤ 6.4.*unaffected
  • 6.5 to ≤ *unaffected

References