bpf: Mask pseudo pointer values in verifier logs (Linux Linux)

CVE-2026-72402
Not available

At a glance

Source
NVD
EPSS
EPSS 0.21 % · percentile 11 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Received

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Mask pseudo pointer values in verifier logs print_bpf_insn() masks ldimm64 immediates for pointer-bearing pseudo sources when pointer leaks are not allowed, but the mask only covers BPF_PSEUDO_MAP_FD and BPF_PSEUDO_MAP_VALUE. BPF_PSEUDO_MAP_IDX, BPF_PSEUDO_MAP_IDX_VALUE, and BPF_PSEUDO_BTF_ID can also be resolved to kernel pointer values before the verifier log prints the instruction. Include them in the existing pointer classification so the log prints 0x0 instead of the rewritten address.

References

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 4976b718c3551faba2c0616ef55ebeb74db1c5ca < b767a5d7c6cb595f9feb00b5af96191a59efca26 ; affected 4976b718c3551faba2c0616ef55ebeb74db1c5ca < 6181239115e19cda4b483a2604193a9379cbd28f ; affected 4976b718c3551faba2c0616ef55ebeb74db1c5ca < c727b3d50ecb0f4992a964360771040a84026914 ; affected 4976b718c3551faba2c0616ef55ebeb74db1c5ca < b96cb1235fcaa687291b1e1d910f0930d1939919 ; affected 4976b718c3551faba2c0616ef55ebeb74db1c5ca < 1c53d16b174dd9e02243fc0e85089e2aa6a0d21a ; affected 4976b718c3551faba2c0616ef55ebeb74db1c5ca < 72a85e9464a5332fb2cd7efd26d9295275ceda2d
Linux · Linuxaffected 5.10 ; unaffected 0 < 5.10 ; unaffected 6.1.189 ≤ 6.1.* ; unaffected 6.6.158 ≤ 6.6.* ; unaffected 6.12.111 ≤ 6.12.* ; unaffected 6.18.53 ≤ 6.18.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD