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CVE PROGRAM SOURCE RECORD7.3 High

CVE-2026-45932

bpf: Fix tcx/netkit detach permissions when prog fd isn't given

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tcx/netkit detach permissions when prog fd isn't given This commit fixes a security issue where BPF_PROG_DETACH on tcx or netkit devices could be executed by any user when no program fd was provided, bypassing permission checks. The fix adds a capability check for CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.

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

  • e420bed025071a623d2720a92bc2245c84757ecb to < 8e1623e7d61faf16cbadc80550da874303611ff5affected
  • e420bed025071a623d2720a92bc2245c84757ecb to < 0c249f523175963b0a746bba673ecebdf6cefd86affected
  • e420bed025071a623d2720a92bc2245c84757ecb to < 4e0772cded109c238411f2fac36ac39302758b81affected
  • e420bed025071a623d2720a92bc2245c84757ecb to < 3f04cc1e5374da4c5e791ae010a06cfea7bacbe6affected
  • e420bed025071a623d2720a92bc2245c84757ecb to < ae23bc81ddf7c17b663c4ed1b21e35527b0a7131affected

Linux Linux

Default version status: affected

  • 6.6affected
  • 0 to < 6.6unaffected
  • 6.6.160 to ≤ 6.6.*unaffected
  • 6.12.114 to ≤ 6.12.*unaffected
  • 6.18.14 to ≤ 6.18.*unaffected
  • 6.19.4 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References