{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-37989", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.976Z", "datePublished": "2025-05-20T17:09:21.419Z", "dateUpdated": "2025-05-26T05:25:12.977Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-26T05:25:12.977Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: leds: fix memory leak\n\nA network restart test on a router led to an out-of-memory condition,\nwhich was traced to a memory leak in the PHY LED trigger code.\n\nThe root cause is misuse of the devm API. The registration function\n(phy_led_triggers_register) is called from phy_attach_direct, not\nphy_probe, and the unregister function (phy_led_triggers_unregister)\nis called from phy_detach, not phy_remove. This means the register and\nunregister functions can be called multiple times for the same PHY\ndevice, but devm-allocated memory is not freed until the driver is\nunbound.\n\nThis also prevents kmemleak from detecting the leak, as the devm API\ninternally stores the allocated pointer.\n\nFix this by replacing devm_kzalloc/devm_kcalloc with standard\nkzalloc/kcalloc, and add the corresponding kfree calls in the unregister\npath."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/phy/phy_led_triggers.c"], "versions": [{"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "966d6494e2ed9be9052fcd9815afba830896aaf8", "status": "affected", "versionType": "git"}, {"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "95bed65cc0eb2a610550abf849a8b94374da80a7", "status": "affected", "versionType": "git"}, {"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "663c3da86e807c6c07ed48f911c7526fad6fe1ff", "status": "affected", "versionType": "git"}, {"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "f41f097f68a33d392579885426d0734a81219501", "status": "affected", "versionType": "git"}, {"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "618541a6cc1511064dfa58c89b3445e21844092f", "status": "affected", "versionType": "git"}, {"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "41143e71052a00d654c15dc924fda50c1e7357d0", "status": "affected", "versionType": "git"}, {"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "7f3d5880800f962c347777c4f8358f29f5fc403c", "status": "affected", "versionType": "git"}, {"version": "2e0bc452f4721520502575362a9cd3c1248d2337", "lessThan": "b7f0ee992adf601aa00c252418266177eb7ac2bc", "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/phy/phy_led_triggers.c"], "versions": [{"version": "4.10", "status": "affected"}, {"version": "0", "lessThan": "4.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.293", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.237", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.181", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.136", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.89", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.26", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.5", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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": "4.10", "versionEndExcluding": "5.4.293"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "5.10.237"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "5.15.181"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.1.136"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.6.89"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.12.26"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.14.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/966d6494e2ed9be9052fcd9815afba830896aaf8"}, {"url": "https://git.kernel.org/stable/c/95bed65cc0eb2a610550abf849a8b94374da80a7"}, {"url": "https://git.kernel.org/stable/c/663c3da86e807c6c07ed48f911c7526fad6fe1ff"}, {"url": "https://git.kernel.org/stable/c/f41f097f68a33d392579885426d0734a81219501"}, {"url": "https://git.kernel.org/stable/c/618541a6cc1511064dfa58c89b3445e21844092f"}, {"url": "https://git.kernel.org/stable/c/41143e71052a00d654c15dc924fda50c1e7357d0"}, {"url": "https://git.kernel.org/stable/c/7f3d5880800f962c347777c4f8358f29f5fc403c"}, {"url": "https://git.kernel.org/stable/c/b7f0ee992adf601aa00c252418266177eb7ac2bc"}], "title": "net: phy: leds: fix memory leak", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: leds: fix memory leak\n\nA network restart test on a router led to an out-of-memory condition,\nwhich was traced to a memory leak in the PHY LED trigger code.\n\nThe root cause is misuse of the devm API. The registration function\n(phy_led_triggers_register) is called from phy_attach_direct, not\nphy_probe, and the unregister function (phy_led_triggers_unregister)\nis called from phy_detach, not phy_remove. This means the register and\nunregister functions can be called multiple times for the same PHY\ndevice, but devm-allocated memory is not freed until the driver is\nunbound.\n\nThis also prevents kmemleak from detecting the leak, as the devm API\ninternally stores the allocated pointer.\n\nFix this by replacing devm_kzalloc/devm_kcalloc with standard\nkzalloc/kcalloc, and add the corresponding kfree calls in the unregister\npath."}], "id": "CVE-2025-37989", "lastModified": "2025-05-21T20:24:58.133", "metrics": {}, "published": "2025-05-20T18:15:45.773", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/41143e71052a00d654c15dc924fda50c1e7357d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/618541a6cc1511064dfa58c89b3445e21844092f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/663c3da86e807c6c07ed48f911c7526fad6fe1ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f3d5880800f962c347777c4f8358f29f5fc403c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95bed65cc0eb2a610550abf849a8b94374da80a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/966d6494e2ed9be9052fcd9815afba830896aaf8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b7f0ee992adf601aa00c252418266177eb7ac2bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f41f097f68a33d392579885426d0734a81219501"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: net: phy: leds: fix memory leak", "id": "2367611", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367611"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: phy: leds: fix memory leak\nA network restart test on a router led to an out-of-memory condition,\nwhich was traced to a memory leak in the PHY LED trigger code.\nThe root cause is misuse of the devm API. The registration function\n(phy_led_triggers_register) is called from phy_attach_direct, not\nphy_probe, and the unregister function (phy_led_triggers_unregister)\nis called from phy_detach, not phy_remove. This means the register and\nunregister functions can be called multiple times for the same PHY\ndevice, but devm-allocated memory is not freed until the driver is\nunbound.\nThis also prevents kmemleak from detecting the leak, as the devm API\ninternally stores the allocated pointer.\nFix this by replacing devm_kzalloc/devm_kcalloc with standard\nkzalloc/kcalloc, and add the corresponding kfree calls in the unregister\npath."], "name": "CVE-2025-37989", "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": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37989\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37989\nhttps://lore.kernel.org/linux-cve-announce/2025052038-CVE-2025-37989-c834@gregkh/T"], "threat_severity": "Moderate"}