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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2023-52502

net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() Sili Luo reported a race in nfc_llcp_sock_get(), leading to UAF. Getting a reference on the socket found in a lookup while holding a lock should happen before releasing the lock. nfc_llcp_sock_get_sn() has a similar problem. Finally nfc_llcp_recv_snl() needs to make sure the socket found by nfc_llcp_sock_from_sn() 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

  • 8f50020ed9b81ba909ce9573f9d05263cdebf502 to < e863f5720a5680e50c4cecf12424d7cc31b3eb0aaffected
  • 8f50020ed9b81ba909ce9573f9d05263cdebf502 to < 7adcf014bda16cdbf804af5c164d94d5d025db2daffected
  • 8f50020ed9b81ba909ce9573f9d05263cdebf502 to < 6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9affected
  • 8f50020ed9b81ba909ce9573f9d05263cdebf502 to < d888d3f70b0de32b4f51534175f039ddab15eef8affected
  • 8f50020ed9b81ba909ce9573f9d05263cdebf502 to < e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dcaffected
  • 8f50020ed9b81ba909ce9573f9d05263cdebf502 to < d1af8a39cf839d93c8967fdd858f6bbdc3e4a15caffected
  • 8f50020ed9b81ba909ce9573f9d05263cdebf502 to < 31c07dffafce914c1d1543c135382a11ff058d93affected

Linux Linux

Default version status: affected

  • 3.6affected
  • 0 to < 3.6unaffected
  • 4.19.297 to ≤ 4.19.*unaffected
  • 5.4.259 to ≤ 5.4.*unaffected
  • 5.10.199 to ≤ 5.10.*unaffected
  • 5.15.136 to ≤ 5.15.*unaffected
  • 6.1.59 to ≤ 6.1.*unaffected
  • 6.5.8 to ≤ 6.5.*unaffected
  • 6.6 to ≤ *unaffected

References