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CVE-2026-45952

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Add validation for MTU changes Increasing the MTU beyond the HDS threshold causes the hardware to fragment packets across multiple buffers. If a single-buffer XDP program is attached, the driver will drop all multi-frag frames. While we can't prevent a remote sender from sending non-TCP packets larger than the MTU, this will prevent users from inadvertently breaking new TCP streams. Traditionally, drivers supporte
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f0924907ef7f4080f50c7804be6c363ac9ebb4de2533bcfdf901e1f45e342a24
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":"affected","product":"Linux","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_netdev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"orig…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2523ba32e193291edd8d33b5583a1ffa8a1ea0df072bf00525be568bd45e6928 · sha256:10097b8f5d973c59… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_netdev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d7eaa006c0444a5d4671be7efe6dbb33ef8b515e","status":"affected","version":"1b0a3950dbd4fa278dc33401a4faba2a23307a16","versionType":"git"},{"lessThan":"03399063aa0c67fd8bdfd69467ddb849bb3b97df","status":"affected","version":"1b0a3950dbd4fa278dc33401a4faba2a23307a16","versionType":"git"},{"lessThan":"ccd8e87748ad083047d6c8544c5809b7f96cc8df","status":"affected","version":…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2523ba32e193291edd8d33b5583a1ffa8a1ea0df072bf00525be568bd45e6928 · sha256:10097b8f5d973c59… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_netdev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"orig…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2523ba32e193291edd8d33b5583a1ffa8a1ea0df072bf00525be568bd45e6928 · sha256:10097b8f5d973c59… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_netdev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d7eaa006c0444a5d4671be7efe6dbb33ef8b515e","status":"affected","version":"1b0a3950dbd4fa278dc33401a4faba2a23307a16","versionType":"git"},{"lessThan":"03399063aa0c67fd8bdfd69467ddb849bb3b97df","status":"affected","version":"1b0a3950dbd4fa278dc33401a4faba2a23307a16","versionType":"git"},{"lessThan":"ccd8e87748ad083047d6c8544c5809b7f96cc8df","status":"affected","version":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2523ba32e193291edd8d33b5583a1ffa8a1ea0df072bf00525be568bd45e6928 · sha256:10097b8f5d973c59… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/03399063aa0c67fd8bdfd69467ddb849bb3b97df"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2523ba32e193291edd8d33b5583a1ffa8a1ea0df072bf00525be568bd45e6928 · sha256:10097b8f5d973c59… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ccd8e87748ad083047d6c8544c5809b7f96cc8df"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2523ba32e193291edd8d33b5583a1ffa8a1ea0df072bf00525be568bd45e6928 · sha256:10097b8f5d973c59… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d7eaa006c0444a5d4671be7efe6dbb33ef8b515e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2523ba32e193291edd8d33b5583a1ffa8a1ea0df072bf00525be568bd45e6928 · sha256:10097b8f5d973c59… · /containers/cna/references/0

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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