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CVE-2026-64336

In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspan_pda: fix information leak The write() callback is supposed to return the number of characters accepted or a negative errno. Since the addition of write fifo support the keyspan_pda implementation will however return the number characters submitted to the device if the write urb is not already in use. If this number is larger than the number of characters passed to write(), the line discipline continues wri
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:98bac5a78162e003124a7fcb48c25ca3a5666f4e0e388263b62d347fda671628
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/keyspan_pda.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.11"},{"lessThan":"5.11","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"},…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/serial/keyspan_pda.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b069b7029862fafaff331d4c664d97d4ae828d6d","status":"affected","version":"034e38e8f68767fb5438ae3e608ee82919674177","versionType":"git"},{"lessThan":"e52ca411f50539ff1d0c877b9312771ca8a858c1","status":"affected","version":"034e38e8f68767fb5438ae3e608ee82919674177","versionType":"git"},{"lessThan":"2f7a6b8ab3845bd1da02604f1a874b52a4555a72","status":"affected","version":"034e38e8f6876…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/serial/keyspan_pda.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.11"},{"lessThan":"5.11","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"},…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/serial/keyspan_pda.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b069b7029862fafaff331d4c664d97d4ae828d6d","status":"affected","version":"034e38e8f68767fb5438ae3e608ee82919674177","versionType":"git"},{"lessThan":"e52ca411f50539ff1d0c877b9312771ca8a858c1","status":"affected","version":"034e38e8f68767fb5438ae3e608ee82919674177","versionType":"git"},{"lessThan":"2f7a6b8ab3845bd1da02604f1a874b52a4555a72","status":"affected","version":"034e38e8f6876…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/affected/0

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/2f7a6b8ab3845bd1da02604f1a874b52a4555a72"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/6bfc8d01ac4068eced509f8fc74d0cd205e4dcec"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/b069b7029862fafaff331d4c664d97d4ae828d6d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/cf6ca0aefae03958cfb5b189b0adbfb25c06bfac"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/d4b12b6b395e43a2b1d80be3745631fcaa9c047b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/e1494191a3aac665d3a2fce16169a97c346253ec"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e52ca411f50539ff1d0c877b9312771ca8a858c1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c48560b02d4626a87c69f93d1a6880624c5b48c7054648793684130978120af · sha256:416317ec15da71e4… · /containers/cna/references/1

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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