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CVE-2026-64545

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdp_master_redirect() xdp_master_redirect() dereferences the result of netdev_master_upper_dev_get_rcu() without a NULL check, but that helper returns NULL when the receiving device has no upper-master adjacency. The reach guard only checks netif_is_bond_slave(). On bond slave release bond_upper_dev_unlink() drops the upper-master adjacency before clearing IFF_SLAVE, so an XDP_TX reaching xd
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c7bdf854387970905634f8087cf23d771623fdf116a4ae7773458a2e42deb6e8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c99ca049e910d61ddbd28cc2c47242f2bfbb4970","status":"affected","version":"879af96ffd72706c6e3278ea6b45b0b0e37ec5d7","versionType":"git"},{"lessThan":"e2a56441233131fe18a76001de347ecda217e40c","status":"affected","version":"879af96ffd72706c6e3278ea6b45b0b0e37ec5d7","versionType":"git"},{"lessThan":"3876318ea54e83eb70982b8280a3c5e4e32269bf","status":"affected","version":"879af96ffd72706c6e3278ea6b45…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c99ca049e910d61ddbd28cc2c47242f2bfbb4970","status":"affected","version":"879af96ffd72706c6e3278ea6b45b0b0e37ec5d7","versionType":"git"},{"lessThan":"e2a56441233131fe18a76001de347ecda217e40c","status":"affected","version":"879af96ffd72706c6e3278ea6b45b0b0e37ec5d7","versionType":"git"},{"lessThan":"3876318ea54e83eb70982b8280a3c5e4e32269bf","status":"affected","version":"879af96ffd72706c6e3278ea6b45…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/03b743586a2469744e96e9c1015096d07240935d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/3876318ea54e83eb70982b8280a3c5e4e32269bf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/4edbcacca09f92b85d3951b6add11894b20a84bc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/89c103d702b25ceb2d097faf854deb47b53b17ff"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/c99ca049e910d61ddbd28cc2c47242f2bfbb4970"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e2a56441233131fe18a76001de347ecda217e40c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e82d8cc4321c373dc46e741cd2dfdaa7921fddb7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d969e9d5cb70236b873c1951067763fa7582b780f5bf7e4d0ed93466595bef3 · sha256:f2f4e4c7fb799ee3… · /containers/cna/references/6

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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