{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53008", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.378Z", "datePublished": "2026-06-24T16:29:19.459Z", "dateUpdated": "2026-06-24T16:29:19.459Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:29:19.459Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix race condition in TX timestamp ring cleanup\n\nFix a race condition between ice_free_tx_tstamp_ring() and ice_tx_map()\nthat can cause a NULL pointer dereference.\n\nice_free_tx_tstamp_ring currently clears the ICE_TX_FLAGS_TXTIME flag\nafter NULLing the tstamp_ring. This could allow a concurrent ice_tx_map\ncall on another CPU to dereference the tstamp_ring, which could lead to\na NULL pointer dereference.\n\n CPU A:ice_free_tx_tstamp_ring() | CPU B:ice_tx_map()\n --------------------------------|---------------------------------\n tx_ring->tstamp_ring = NULL |\n | ice_is_txtime_cfg() -> true\n | tstamp_ring = tx_ring->tstamp_ring\n | tstamp_ring->count // NULL deref!\n flags &= ~ICE_TX_FLAGS_TXTIME |\n\nFix by:\n1. Reordering ice_free_tx_tstamp_ring() to clear the flag before\n NULLing the pointer, with smp_wmb() to ensure proper ordering.\n2. Adding smp_rmb() in ice_tx_map() after the flag check to order the\n flag read before the pointer read, using READ_ONCE() for the\n pointer, and adding a NULL check as a safety net.\n3. Converting tx_ring->flags from u8 to DECLARE_BITMAP() and using\n atomic bitops (set_bit(), clear_bit(), test_bit()) for all flag\n operations throughout the driver:\n - ICE_TX_RING_FLAGS_XDP\n - ICE_TX_RING_FLAGS_VLAN_L2TAG1\n - ICE_TX_RING_FLAGS_VLAN_L2TAG2\n - ICE_TX_RING_FLAGS_TXTIME"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/ice/ice.h", "drivers/net/ethernet/intel/ice/ice_dcb_lib.c", "drivers/net/ethernet/intel/ice/ice_lib.c", "drivers/net/ethernet/intel/ice/ice_txrx.c", "drivers/net/ethernet/intel/ice/ice_txrx.h"], "versions": [{"version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "lessThan": "097409d20465723283632515df73038a4a853eda", "status": "affected", "versionType": "git"}, {"version": "ccde82e909467abdf098a8ee6f63e1ecf9a47ce5", "lessThan": "7c72ec18c2a4111204c2e915f8e4f6d849ce9398", "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/ethernet/intel/ice/ice.h", "drivers/net/ethernet/intel/ice/ice_dcb_lib.c", "drivers/net/ethernet/intel/ice/ice_lib.c", "drivers/net/ethernet/intel/ice/ice_txrx.c", "drivers/net/ethernet/intel/ice/ice_txrx.h"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/097409d20465723283632515df73038a4a853eda"}, {"url": "https://git.kernel.org/stable/c/7c72ec18c2a4111204c2e915f8e4f6d849ce9398"}], "title": "ice: fix race condition in TX timestamp ring cleanup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: ice: fix race condition in TX timestamp ring cleanup", "id": "2492341", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492341"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-367", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nice: fix race condition in TX timestamp ring cleanup\nFix a race condition between ice_free_tx_tstamp_ring() and ice_tx_map()\nthat can cause a NULL pointer dereference.\nice_free_tx_tstamp_ring currently clears the ICE_TX_FLAGS_TXTIME flag\nafter NULLing the tstamp_ring. This could allow a concurrent ice_tx_map\ncall on another CPU to dereference the tstamp_ring, which could lead to\na NULL pointer dereference.\nCPU A:ice_free_tx_tstamp_ring() | CPU B:ice_tx_map()\n--------------------------------|---------------------------------\ntx_ring->tstamp_ring = NULL |\n| ice_is_txtime_cfg() -> true\n| tstamp_ring = tx_ring->tstamp_ring\n| tstamp_ring->count // NULL deref!\nflags &= ~ICE_TX_FLAGS_TXTIME |\nFix by:\n1. Reordering ice_free_tx_tstamp_ring() to clear the flag before\nNULLing the pointer, with smp_wmb() to ensure proper ordering.\n2. Adding smp_rmb() in ice_tx_map() after the flag check to order the\nflag read before the pointer read, using READ_ONCE() for the\npointer, and adding a NULL check as a safety net.\n3. Converting tx_ring->flags from u8 to DECLARE_BITMAP() and using\natomic bitops (set_bit(), clear_bit(), test_bit()) for all flag\noperations throughout the driver:\n- ICE_TX_RING_FLAGS_XDP\n- ICE_TX_RING_FLAGS_VLAN_L2TAG1\n- ICE_TX_RING_FLAGS_VLAN_L2TAG2\n- ICE_TX_RING_FLAGS_TXTIME", "A flaw was found in the Linux kernel. A race condition exists in the `ice` network driver's TX timestamp ring cleanup, specifically between the `ice_free_tx_tstamp_ring()` and `ice_tx_map()` functions. This vulnerability could allow a local attacker to trigger a null pointer dereference, leading to a system crash and a Denial of Service (DoS)."], "name": "CVE-2026-53008", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53008\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53008\nhttps://lore.kernel.org/linux-cve-announce/2026062449-CVE-2026-53008-7188@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ccde82e909467abdf098a8ee6f63e1ecf9a47ce5,097409d20465723283632515df73038a4a853eda)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ccde82e909467abdf098a8ee6f63e1ecf9a47ce5,7c72ec18c2a4111204c2e915f8e4f6d849ce9398)"}}], "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": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0.10,7.0.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-24T21:45:15.821785+00:00", "updated": "2026-06-27T04:30:11.769062+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}