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ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-43437

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/core/pcm_native.c"
                    ],
                    "versions": [
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "9baee36e8c5443411c4629afabafaff8a46a23fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "f2cb2e0d27fb925c73a78f0ce7d6dbf68d3747c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "fc71f888994569f87d5bee20b1ac6c9c1e3a7a79",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "629cf09464cf98670996ea5c191dc9743e6f3f00",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "ae8f8d30d334bad5b1b3cdb1eb8a0b771f55e432",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "4a758e9a1f5ed722f83c4dd35f867fe811553bcb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "c2f64e05a0587a83ec42dbd6b7a7ded79b2ff694",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2b3614cefb61ee6046a0aaee503ee37f227d310",
                            "lessThan": "9b1dbd69ba6f8f8c69bc7b77c2ce3b9c6ed05ba6",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/core/pcm_native.c"
                    ],
                    "versions": [
                        {
                            "version": "3.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.220",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.167",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.78",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.19",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.9",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 8 Nov 20:02 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current