CVE Explorer

CVE-2026-64134

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Don't setup bogus iov_iter for silencing At transition to the iov_iter for PCM data transfer, we blindly applied the iov_iter setup also for silencing (i.e. data = NULL), and it leads to a calculation of bogus iov_iter. Fortunately this didn't cause troubles on most of architectures but it goes wrong on RISC-V now, causing a NULL dereference. Handle the NULL data case to treat the silencing in interleaved_copy() f

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2330bdd615eead4fd8b84af5640b7784f445c48783a42035bcd7a274f426147a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/core/pcm_lib.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"41a766c647294842c9b17672449f8e011048cba9","status":"affected","version":"cf393babb37a1679a1ec1d864df1090353465e23","versionType":"git"},{"lessThan":"ce836587e594af39ff048d9b29dee0f5f10692c9","status":"affected","version":"cf393babb37a1679a1ec1d864df1090353465e23","versionType":"git"},{"lessThan":"feff0251386aa6bb180a0a1cf7c1f91ba868113d","status":"affected","version":"cf393babb37a1679a1ec1d864…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["sound/core/pcm_lib.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.6"},{"lessThan":"6.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEq…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions

{"url":"https://git.kernel.org/stable/c/41a766c647294842c9b17672449f8e011048cba9"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/c9f6768515818d71bdfc20119a81f3332c53b9c6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/ce836587e594af39ff048d9b29dee0f5f10692c9"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/e4d3386b74fba8e01280484b67ee481ece00201e"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/feff0251386aa6bb180a0a1cf7c1f91ba868113d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6a276f97ae5c6abe5afa26c8584eb2072933dadffb4b48786d480485ae18fad9 · sha256:42677eb0145d3ed0… · /containers/cna/references/2

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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