{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68122", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.369Z", "datePublished": "2026-08-10T11:58:42.477Z", "dateUpdated": "2026-08-10T11:58:42.477Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T11:58:42.477Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\novpn: fix peer refcount leak in TCP error paths\n\nWhen either the TCP RX or TX error path calls ovpn_peer_hold() followed\nby schedule_work(&peer->tcp.defer_del_work), and the work item is already\npending from the other path, schedule_work() returns false and the work\nruns only once. Since ovpn_tcp_peer_del_work() calls ovpn_peer_put()\nexactly once, the extra reference taken by the losing path is never\ndropped, leaking the peer object.\n\nThe race window:\n\n CPU0 (strparser/RX error): CPU1 (tcp_tx_work/TX error):\n ovpn_peer_hold() <- refcnt+1 ovpn_peer_hold() <- refcnt+2\n schedule_work() <- queued schedule_work() <- NO-OP\n (work already pending)\n ovpn_tcp_peer_del_work runs:\n ovpn_peer_del()\n ovpn_peer_put() <- refcnt+1\n <- peer never freed\n\nFix by checking the return value of schedule_work() in both paths and\ncalling ovpn_peer_put() to drop the extra reference if the work was\nalready pending. ovpn_peer_hold() is kept unconditional in the TX path\nas it cannot fail at that point."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ovpn/tcp.c"], "versions": [{"version": "a6a5e87b3ee4cbf9c69a776565378c9b6a91dbfb", "lessThan": "b08526bf0bbf84ceebd29033783e8e0c9f451286", "status": "affected", "versionType": "git"}, {"version": "a6a5e87b3ee4cbf9c69a776565378c9b6a91dbfb", "lessThan": "f08f39c1f43f3980d46b06af8ed99ffe84ac294a", "status": "affected", "versionType": "git"}, {"version": "a6a5e87b3ee4cbf9c69a776565378c9b6a91dbfb", "lessThan": "63bbe18fc03062f483c627838a566a707b62da79", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ovpn/tcp.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc5", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.2-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b08526bf0bbf84ceebd29033783e8e0c9f451286"}, {"url": "https://git.kernel.org/stable/c/f08f39c1f43f3980d46b06af8ed99ffe84ac294a"}, {"url": "https://git.kernel.org/stable/c/63bbe18fc03062f483c627838a566a707b62da79"}], "title": "ovpn: fix peer refcount leak in TCP error paths", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a6a5e87b3ee4cbf9c69a776565378c9b6a91dbfb,b08526bf0bbf84ceebd29033783e8e0c9f451286)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a6a5e87b3ee4cbf9c69a776565378c9b6a91dbfb,f08f39c1f43f3980d46b06af8ed99ffe84ac294a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a6a5e87b3ee4cbf9c69a776565378c9b6a91dbfb,63bbe18fc03062f483c627838a566a707b62da79)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc5,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T14:45:17.929186+00:00", "updated": "2026-08-10T19:30:17.201154+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-665"]}