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CVE-2026-63902

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypress_m8: validate interrupt packet headers cypress_read_int_callback() parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a one-byte combined status/count header. The usb-serial core sizes the interrupt-in buffer from the endpoint descriptor's wMaxPacketSize, and successful interrupt transfers can complete short when URB_S
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2379bb846be041884253acb44b2353eb90e694cb23dc3bb58c5dea534d6db159
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/usb/serial/cypress_m8.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.26"},{"lessThan":"2.6.26","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semv…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/serial/cypress_m8.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fcef31a5a85ccf3c313449a866ec6ed7e4132425","status":"affected","version":"3416eaa1f8f8d516b77de514e14cf8da256d28fb","versionType":"git"},{"lessThan":"aaa66708bfb1dca2acd219d1c1582f9f6d5492cb","status":"affected","version":"3416eaa1f8f8d516b77de514e14cf8da256d28fb","versionType":"git"},{"lessThan":"44f9bab8df7750a1e2a4d6cc22d7c9c2dc096aed","status":"affected","version":"3416eaa1f8f8d5…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/serial/cypress_m8.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.26"},{"lessThan":"2.6.26","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semv…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/serial/cypress_m8.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fcef31a5a85ccf3c313449a866ec6ed7e4132425","status":"affected","version":"3416eaa1f8f8d516b77de514e14cf8da256d28fb","versionType":"git"},{"lessThan":"aaa66708bfb1dca2acd219d1c1582f9f6d5492cb","status":"affected","version":"3416eaa1f8f8d516b77de514e14cf8da256d28fb","versionType":"git"},{"lessThan":"44f9bab8df7750a1e2a4d6cc22d7c9c2dc096aed","status":"affected","version":"3416eaa1f8f8d5…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/affected/0

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/44f9bab8df7750a1e2a4d6cc22d7c9c2dc096aed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/4a4cb0021ebe1fcadb52e04d19ed8d71470a530b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/90664556916de22467097d4c8ceb716d597a5c32"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/9f9bfc80c67f35a275820da7e83a35dface08281"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/aaa66708bfb1dca2acd219d1c1582f9f6d5492cb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ae03453f2c809ca3cf73753269fa6184dea7160f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/be50533fe7068e86eb7adb81988e6d6a3f6dfe53"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/fcef31a5a85ccf3c313449a866ec6ed7e4132425"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd9a372de33d08fb904c65ddba667b7e9fd2d8994bdb5b78c5bc21960e1610c6 · sha256:22fb00c613ad5dac… · /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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