{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-39865", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39865", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-09-19T15:26:34.853Z", "updatedAt": "2026-05-23T16:00:51.691Z", "importedAt": "2026-10-24T01:57:34.152Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "tee: fix NULL pointer dereference in tee_shm_put", "summary": "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 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", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "c05d8f66ec3470e5212c4d08c46d6cb5738d600d", "status": "affected", "versionType": "git", "lessThan": "f266188603c34e6e234fb0dfc3185f0ba98d71b7" }, { "version": "492eb7afe858d60408b2da09adc78540c4d16543", "status": "affected", "versionType": "git", "lessThan": "4377eac565c297fdfccd2f8e9bf94ee84ff6172f" }, { "version": "dfd0743f1d9ea76931510ed150334d571fbab49d", "status": "affected", "versionType": "git", "lessThan": "25e315bc8ad363bd1194e49062f183ad4011957e" }, { "version": "dfd0743f1d9ea76931510ed150334d571fbab49d", "status": "affected", "versionType": "git", "lessThan": "add1ecc8f3ad8df22e3599c5c88d7907cc2a3079" }, { "version": "dfd0743f1d9ea76931510ed150334d571fbab49d", "status": "affected", "versionType": "git", "lessThan": "963fca19fe34c496e04f7dd133b807b76a5434ca" }, { "version": "dfd0743f1d9ea76931510ed150334d571fbab49d", "status": "affected", "versionType": "git", "lessThan": "5e07a4235bb85d9ef664411e4ff4ac34783c18ff" }, { "version": "dfd0743f1d9ea76931510ed150334d571fbab49d", "status": "affected", "versionType": "git", "lessThan": "e4a718a3a47e89805c3be9d46a84de1949a98d5d" }, { "version": "3d556a28bbfe34a80b014db49908b0f1bcb1ae80", "status": "affected", "versionType": "git" }, { "version": "b4a661b4212b8fac8853ec3b68e4a909dccc88a1", "status": "affected", "versionType": "git" }, { "version": "940e68e57ab69248fabba5889e615305789db8a7", "status": "affected", "versionType": "git" }, { "version": "5.10.89", "status": "affected", "versionType": "semver", "lessThan": "5.10.243" }, { "version": "5.15.12", "status": "affected", "versionType": "semver", "lessThan": "5.15.192" }, { "version": "4.14.261", "status": "affected", "versionType": "semver", "lessThan": "4.15" }, { "version": "4.19.224", "status": "affected", "versionType": "semver", "lessThan": "4.20" }, { "version": "5.4.170", "status": "affected", "versionType": "semver", "lessThan": "5.5" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.16", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.16" }, { "version": "5.10.243", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.192", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.151", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.105", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.46", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.16.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.16.*" }, { "version": "6.17", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }