CVE Explorer

CVE-2026-31707

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate response sizes in ipc_validate_msg() ipc_validate_msg() computes the expected message size for each response type by adding (or multiplying) attacker-controlled fields from the daemon response to a fixed struct size in unsigned int arithmetic. Three cases can overflow: KSMBD_EVENT_RPC_REQUEST: msg_sz = sizeof(struct ksmbd_rpc_command) + resp->payload_sz; KSMBD_EVENT_SHARE_CONFIG_REQUEST: msg_s

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f4eb6462a581da5a837f6db0e9eb041fb574104787000fc879678f450c651821

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/mgmt/user_config.c","fs/smb/server/transport_ipc.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":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.84","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/mgmt/user_config.c","fs/smb/server/transport_ipc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bf396208418371174869baba9434535cd3288e80","status":"affected","version":"0626e6641f6b467447c81dd7678a69c66f7746cf","versionType":"git"},{"lessThan":"7dd0c858e1909769a4c91842724315ee74f1a5f1","status":"affected","version":"0626e6641f6b467447c81dd7678a69c66f7746cf","versionType":"git"},{"lessThan":"299db777ea0cfa5c407e41b045c24a14c034c27b","status":"af…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions

{"url":"https://git.kernel.org/stable/c/299db777ea0cfa5c407e41b045c24a14c034c27b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/7dd0c858e1909769a4c91842724315ee74f1a5f1"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/99c631d0366c1eab8fb188fe66425f4581ebdde4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/bf396208418371174869baba9434535cd3288e80"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/d6a6aa81eac2c9bff66dc6e191179cb69a14426b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5373e9276ea333d4c2eca65ad7571959ef055922b0ed9655e49f0062d71afa30 · sha256:416fe0b6db0f4710… · /containers/cna/references/4

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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