{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68379", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.387Z", "datePublished": "2026-08-10T12:03:57.537Z", "dateUpdated": "2026-08-10T12:03:57.537Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:03:57.537Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: fix TIME_WAIT socket reference leak on PSP policy failure\n\nRelease the TIME_WAIT socket reference and jump to discard_it\nupon PSP policy failure in both IPv4 and IPv6 receive paths.\nThis prevents a memory leak of tcp_tw_bucket structures."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/tcp_ipv4.c", "net/ipv6/tcp_ipv6.c"], "versions": [{"version": "659a2899a57da59f433182eba571881884d6323e", "lessThan": "e666af5dcc905ba694745963174d232deb478c55", "status": "affected", "versionType": "git"}, {"version": "659a2899a57da59f433182eba571881884d6323e", "lessThan": "374742a961becbbfc7fbfd1382d978a05e492741", "status": "affected", "versionType": "git"}, {"version": "659a2899a57da59f433182eba571881884d6323e", "lessThan": "2c1931a81122c3cdc4c89448fe0442c69e21c0d5", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/tcp_ipv4.c", "net/ipv6/tcp_ipv6.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "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-rc4", "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": "6.18", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e666af5dcc905ba694745963174d232deb478c55"}, {"url": "https://git.kernel.org/stable/c/374742a961becbbfc7fbfd1382d978a05e492741"}, {"url": "https://git.kernel.org/stable/c/2c1931a81122c3cdc4c89448fe0442c69e21c0d5"}], "title": "tcp: fix TIME_WAIT socket reference leak on PSP policy failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/ipv4/tcp_ipv4.c", "net/ipv6/tcp_ipv6.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "e666af5dcc905ba694745963174d232deb478c55", "status": "affected", "version": "659a2899a57da59f433182eba571881884d6323e", "versionType": "git"}, {"lessThan": "374742a961becbbfc7fbfd1382d978a05e492741", "status": "affected", "version": "659a2899a57da59f433182eba571881884d6323e", "versionType": "git"}, {"lessThan": "2c1931a81122c3cdc4c89448fe0442c69e21c0d5", "status": "affected", "version": "659a2899a57da59f433182eba571881884d6323e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/ipv4/tcp_ipv4.c", "net/ipv6/tcp_ipv6.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc4", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: fix TIME_WAIT socket reference leak on PSP policy failure\n\nRelease the TIME_WAIT socket reference and jump to discard_it\nupon PSP policy failure in both IPv4 and IPv6 receive paths.\nThis prevents a memory leak of tcp_tw_bucket structures."}], "id": "CVE-2026-68379", "lastModified": "2026-08-10T13:20:30.960", "metrics": {}, "published": "2026-08-10T13:20:30.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c1931a81122c3cdc4c89448fe0442c69e21c0d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/374742a961becbbfc7fbfd1382d978a05e492741"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e666af5dcc905ba694745963174d232deb478c55"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: tcp: fix TIME_WAIT socket reference leak on PSP policy failure", "id": "2513458", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513458"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-911", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntcp: fix TIME_WAIT socket reference leak on PSP policy failure\nRelease the TIME_WAIT socket reference and jump to discard_it\nupon PSP policy failure in both IPv4 and IPv6 receive paths.\nThis prevents a memory leak of tcp_tw_bucket structures.", "A flaw was found in the Linux kernel's TCP implementation. A reference leak in TIME_WAIT sockets can occur upon a PSP (Policy Security Policy) failure in both IPv4 and IPv6 receive paths. This vulnerability can lead to a memory leak of `tcp_tw_bucket` structures, potentially resulting in a Denial of Service (DoS) due to resource exhaustion."], "name": "CVE-2026-68379", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68379\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68379\nhttps://lore.kernel.org/linux-cve-announce/2026081044-CVE-2026-68379-f21a@gregkh/T"], "threat_severity": "Moderate"}