bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer
3Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackepss 0.2%
probabilidad de explotación
0.2%top 89% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved:
bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer
In check_alu_op(), the verifier currently calls check_reg_arg() and
adjust_scalar_min_max_vals() unconditionally for BPF_NEG operations.
However, if the destination register holds a pointer, these scalar
adjustments are unnecessary and potentially incorrect.
This patch adds a check to skip the adjustment logic when the destination
register contains a pointer.
Productos afectados
Linux · Linux