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xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx()

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-2026-53239

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": [
                        "net/xfrm/xfrm_policy.c"
                    ],
                    "versions": [
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "8fc536e9f6856230f19c7d13e71af064b6a77b22",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "c4c1ea36d83bf3c4569468ca5b8b614fda1bf821",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "25c8c7fb3b0b9668c7d05e209f58c158d2b020c7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "42827d03f8009a6a218bacab153e21f39d6a121c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "88697cf980222d5906a37bf47662dac0732e2a0f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "b5316e2b8614a87d8736941972441cb47bfd4491",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "ec82ea4eb220164d854f8734ca5a35e23e577b94",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6be3b0db6db82cf056a72cc18042048edd27f8ee",
                            "lessThan": "7f2d76c9c03257c0782afef9d95321fa04096f60",
                            "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": [
                        "net/xfrm/xfrm_policy.c"
                    ],
                    "versions": [
                        {
                            "version": "5.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.94",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.36",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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