CVE-2023-53335

Summary

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

RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish()

If get_ep_from_tid() fails to lookup non-NULL value for ep, ep is dereferenced later regardless of whether it is empty. This patch adds a simple sanity check to fix the issue.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux944661dd97f4f257cd914fffec7eb80832ff9141 < 9dca64042d855a24b0bd81ce242e5dc7e939f6ebaffected
LinuxLinux944661dd97f4f257cd914fffec7eb80832ff9141 < 2cfc00e974d75a3aa8155f2660f57d342e1f67caaffected
LinuxLinux944661dd97f4f257cd914fffec7eb80832ff9141 < 9ddc77eefb2a567b705c3c86ab2ddabe43cadf1baffected
LinuxLinux944661dd97f4f257cd914fffec7eb80832ff9141 < 283861a4c52c1ea4df3dd1b6fc75a50796ce3524affected
LinuxLinux4.7affected
LinuxLinux0 < 4.7unaffected
LinuxLinux5.15.99 <= 5.15.*unaffected
LinuxLinux6.1.16 <= 6.1.*unaffected
LinuxLinux6.2.3 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References