{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-39865", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.143Z", "datePublished": "2025-09-19T15:26:34.853Z", "dateUpdated": "2026-05-12T12:07:44.632Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:37:56.268Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntee: fix NULL pointer dereference in tee_shm_put\n\ntee_shm_put have NULL pointer dereference:\n\n__optee_disable_shm_cache -->\n\tshm = reg_pair_to_ptr(...);//shm maybe return NULL\n tee_shm_free(shm); -->\n\t\ttee_shm_put(shm);//crash\n\nAdd check in tee_shm_put to fix it.\n\npanic log:\nUnable to handle kernel paging request at virtual address 0000000000100cca\nMem abort info:\nESR = 0x0000000096000004\nEC = 0x25: DABT (current EL), IL = 32 bits\nSET = 0, FnV = 0\nEA = 0, S1PTW = 0\nFSC = 0x04: level 0 translation fault\nData abort info:\nISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\nCM = 0, WnR = 0, TnD = 0, TagAccess = 0\nGCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\nuser pgtable: 4k pages, 48-bit VAs, pgdp=0000002049d07000\n[0000000000100cca] pgd=0000000000000000, p4d=0000000000000000\nInternal error: Oops: 0000000096000004 [#1] SMP\nCPU: 2 PID: 14442 Comm: systemd-sleep Tainted: P OE ------- ----\n6.6.0-39-generic #38\nSource Version: 938b255f6cb8817c95b0dd5c8c2944acfce94b07\nHardware name: greatwall GW-001Y1A-FTH, BIOS Great Wall BIOS V3.0\n10/26/2022\npstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : tee_shm_put+0x24/0x188\nlr : tee_shm_free+0x14/0x28\nsp : ffff001f98f9faf0\nx29: ffff001f98f9faf0 x28: ffff0020df543cc0 x27: 0000000000000000\nx26: ffff001f811344a0 x25: ffff8000818dac00 x24: ffff800082d8d048\nx23: ffff001f850fcd18 x22: 0000000000000001 x21: ffff001f98f9fb88\nx20: ffff001f83e76218 x19: ffff001f83e761e0 x18: 000000000000ffff\nx17: 303a30303a303030 x16: 0000000000000000 x15: 0000000000000003\nx14: 0000000000000001 x13: 0000000000000000 x12: 0101010101010101\nx11: 0000000000000001 x10: 0000000000000001 x9 : ffff800080e08d0c\nx8 : ffff001f98f9fb88 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000\nx2 : ffff001f83e761e0 x1 : 00000000ffff001f x0 : 0000000000100cca\nCall 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-->\n\t\ttee_shm_put(shm);//crash\n\nAdd check in tee_shm_put to fix it.\n\npanic log:\nUnable to handle kernel paging request at virtual address 0000000000100cca\nMem abort info:\nESR = 0x0000000096000004\nEC = 0x25: DABT (current EL), IL = 32 bits\nSET = 0, FnV = 0\nEA = 0, S1PTW = 0\nFSC = 0x04: level 0 translation fault\nData abort info:\nISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\nCM = 0, WnR = 0, TnD = 0, TagAccess = 0\nGCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\nuser pgtable: 4k pages, 48-bit VAs, pgdp=0000002049d07000\n[0000000000100cca] pgd=0000000000000000, p4d=0000000000000000\nInternal error: Oops: 0000000096000004 [#1] SMP\nCPU: 2 PID: 14442 Comm: systemd-sleep Tainted: P OE ------- ----\n6.6.0-39-generic #38\nSource Version: 938b255f6cb8817c95b0dd5c8c2944acfce94b07\nHardware name: greatwall GW-001Y1A-FTH, BIOS Great Wall BIOS V3.0\n10/26/2022\npstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : tee_shm_put+0x24/0x188\nlr : tee_shm_free+0x14/0x28\nsp : ffff001f98f9faf0\nx29: ffff001f98f9faf0 x28: ffff0020df543cc0 x27: 0000000000000000\nx26: ffff001f811344a0 x25: ffff8000818dac00 x24: ffff800082d8d048\nx23: ffff001f850fcd18 x22: 0000000000000001 x21: ffff001f98f9fb88\nx20: ffff001f83e76218 x19: ffff001f83e761e0 x18: 000000000000ffff\nx17: 303a30303a303030 x16: 0000000000000000 x15: 0000000000000003\nx14: 0000000000000001 x13: 0000000000000000 x12: 0101010101010101\nx11: 0000000000000001 x10: 0000000000000001 x9 : ffff800080e08d0c\nx8 : ffff001f98f9fb88 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000\nx2 : ffff001f83e761e0 x1 : 00000000ffff001f x0 : 0000000000100cca\nCall trace:\ntee_shm_put+0x24/0x188\ntee_shm_free+0x14/0x28\n__optee_disable_shm_cache+0xa8/0x108\noptee_shutdown+0x28/0x38\nplatform_shutdown+0x28/0x40\ndevice_shutdown+0x144/0x2b0\nkernel_power_off+0x3c/0x80\nhibernate+0x35c/0x388\nstate_store+0x64/0x80\nkobj_attr_store+0x14/0x28\nsysfs_kf_write+0x48/0x60\nkernfs_fop_write_iter+0x128/0x1c0\nvfs_write+0x270/0x370\nksys_write+0x6c/0x100\n__arm64_sys_write+0x20/0x30\ninvoke_syscall+0x4c/0x120\nel0_svc_common.constprop.0+0x44/0xf0\ndo_el0_svc+0x24/0x38\nel0_svc+0x24/0x88\nel0t_64_sync_handler+0x134/0x150\nel0t_64_sync+0x14c/0x15"}], "id": "CVE-2025-39865", "lastModified": "2026-05-12T13:17:17.193", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-09-19T16:15:45.540", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25e315bc8ad363bd1194e49062f183ad4011957e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4377eac565c297fdfccd2f8e9bf94ee84ff6172f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e07a4235bb85d9ef664411e4ff4ac34783c18ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/963fca19fe34c496e04f7dd133b807b76a5434ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/add1ecc8f3ad8df22e3599c5c88d7907cc2a3079"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e4a718a3a47e89805c3be9d46a84de1949a98d5d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f266188603c34e6e234fb0dfc3185f0ba98d71b7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-089022.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: tee: fix NULL pointer dereference in tee_shm_put", "id": "2396923", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396923"}, "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": ["No description is available for this CVE."], "name": "CVE-2025-39865", "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": "2025-09-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39865\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39865\nhttps://lore.kernel.org/linux-cve-announce/2025091906-CVE-2025-39865-3086@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-09-22T09:59:12.229740+00:00", "updated": "2025-09-22T09:59:12.229815+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}