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BELL-CVE-2025-39865 (CVE-2025-39865)
Vulnerability from osv_bellsoft – Published: 2025-09-20 06:05 – Updated: 2026-06-24 20:12 – Source website
VLAI
Severity
5.5 (Medium)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"package": {
"ecosystem": "Alpaquita:23",
"name": "linux-lts",
"purl": "pkg:apk/alpaquita/linux-lts?arch=source\u0026distro=23"
},
"ranges": [
{
"events": [
{
"introduced": "6.1.147-r0"
},
{
"fixed": "6.1.151-r0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Alpaquita:25",
"name": "linux-lts",
"purl": "pkg:apk/alpaquita/linux-lts?arch=source\u0026distro=25"
},
"ranges": [
{
"events": [
{
"introduced": "6.12.44-r0"
},
{
"fixed": "6.12.51-r0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Alpaquita:stream",
"name": "linux-lts",
"purl": "pkg:apk/alpaquita/linux-lts?arch=source\u0026distro=stream"
},
"ranges": [
{
"events": [
{
"introduced": "6.12.92-r1"
},
{
"fixed": "6.18.35-r1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"id": "BELL-CVE-2025-39865",
"modified": "2026-06-24T20:12:35.805740Z",
"published": "2025-09-20T06:05:36.527835Z",
"references": [
{
"type": "ADVISORY",
"url": "https://docs.bell-sw.com/security/cves/CVE-2025-39865"
}
],
"schema_version": "1.7.4",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"upstream": [
"CVE-2025-39865"
]
}
CVE-2025-39865 (GCVE-0-2025-39865)
Vulnerability from cvelistv5 – Published: 2025-09-19 15:26 – Updated: 2026-05-23 16:00
VLAI
EPSS
VEX
Title
tee: fix NULL pointer dereference in tee_shm_put
Summary
In the Linux kernel, the following vulnerability has been resolved:
tee: fix NULL pointer dereference in tee_shm_put
tee_shm_put have NULL pointer dereference:
__optee_disable_shm_cache -->
shm = reg_pair_to_ptr(...);//shm maybe return NULL
tee_shm_free(shm); -->
tee_shm_put(shm);//crash
Add check in tee_shm_put to fix it.
panic log:
Unable to handle kernel paging request at virtual address 0000000000100cca
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=0000002049d07000
[0000000000100cca] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 0000000096000004 [#1] SMP
CPU: 2 PID: 14442 Comm: systemd-sleep Tainted: P OE ------- ----
6.6.0-39-generic #38
Source Version: 938b255f6cb8817c95b0dd5c8c2944acfce94b07
Hardware name: greatwall GW-001Y1A-FTH, BIOS Great Wall BIOS V3.0
10/26/2022
pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : tee_shm_put+0x24/0x188
lr : tee_shm_free+0x14/0x28
sp : ffff001f98f9faf0
x29: ffff001f98f9faf0 x28: ffff0020df543cc0 x27: 0000000000000000
x26: ffff001f811344a0 x25: ffff8000818dac00 x24: ffff800082d8d048
x23: ffff001f850fcd18 x22: 0000000000000001 x21: ffff001f98f9fb88
x20: ffff001f83e76218 x19: ffff001f83e761e0 x18: 000000000000ffff
x17: 303a30303a303030 x16: 0000000000000000 x15: 0000000000000003
x14: 0000000000000001 x13: 0000000000000000 x12: 0101010101010101
x11: 0000000000000001 x10: 0000000000000001 x9 : ffff800080e08d0c
x8 : ffff001f98f9fb88 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : ffff001f83e761e0 x1 : 00000000ffff001f x0 : 0000000000100cca
Call trace:
tee_shm_put+0x24/0x188
tee_shm_free+0x14/0x28
__optee_disable_shm_cache+0xa8/0x108
optee_shutdown+0x28/0x38
platform_shutdown+0x28/0x40
device_shutdown+0x144/0x2b0
kernel_power_off+0x3c/0x80
hibernate+0x35c/0x388
state_store+0x64/0x80
kobj_attr_store+0x14/0x28
sysfs_kf_write+0x48/0x60
kernfs_fop_write_iter+0x128/0x1c0
vfs_write+0x270/0x370
ksys_write+0x6c/0x100
__arm64_sys_write+0x20/0x30
invoke_syscall+0x4c/0x120
el0_svc_common.constprop.0+0x44/0xf0
do_el0_svc+0x24/0x38
el0_svc+0x24/0x88
el0t_64_sync_handler+0x134/0x150
el0t_64_sync+0x14c/0x15
Severity
No CVSS data available.
Assigner
References
11 references
Impacted products
19 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
c05d8f66ec3470e5212c4d08c46d6cb5738d600d , < f266188603c34e6e234fb0dfc3185f0ba98d71b7
(git)
Affected: 492eb7afe858d60408b2da09adc78540c4d16543 , < 4377eac565c297fdfccd2f8e9bf94ee84ff6172f (git) Affected: dfd0743f1d9ea76931510ed150334d571fbab49d , < 25e315bc8ad363bd1194e49062f183ad4011957e (git) Affected: dfd0743f1d9ea76931510ed150334d571fbab49d , < add1ecc8f3ad8df22e3599c5c88d7907cc2a3079 (git) Affected: dfd0743f1d9ea76931510ed150334d571fbab49d , < 963fca19fe34c496e04f7dd133b807b76a5434ca (git) Affected: dfd0743f1d9ea76931510ed150334d571fbab49d , < 5e07a4235bb85d9ef664411e4ff4ac34783c18ff (git) Affected: dfd0743f1d9ea76931510ed150334d571fbab49d , < e4a718a3a47e89805c3be9d46a84de1949a98d5d (git) Affected: 3d556a28bbfe34a80b014db49908b0f1bcb1ae80 (git) Affected: b4a661b4212b8fac8853ec3b68e4a909dccc88a1 (git) Affected: 940e68e57ab69248fabba5889e615305789db8a7 (git) Affected: 5.10.89 , < 5.10.243 (semver) Affected: 5.15.12 , < 5.15.192 (semver) Affected: 4.14.261 , < 4.15 (semver) Affected: 4.19.224 , < 4.20 (semver) Affected: 5.4.170 , < 5.5 (semver) |
|
| Linux | Linux |
Affected:
5.16
Unaffected: 0 , < 5.16 (semver) Unaffected: 5.10.243 , ≤ 5.10.* (semver) Unaffected: 5.15.192 , ≤ 5.15.* (semver) Unaffected: 6.1.151 , ≤ 6.1.* (semver) Unaffected: 6.6.105 , ≤ 6.6.* (semver) Unaffected: 6.12.46 , ≤ 6.12.* (semver) Unaffected: 6.16.6 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCH328 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCM324 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCM328 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCM332 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRH334 (24 V DC, 8xFO, CC) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (230 V AC, 12xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (230 V AC, 8xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (24 V DC, 12xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (24 V DC, 8xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (2x230 V AC, 12xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (2x230 V AC, 8xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-03T17:44:16.367Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
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"product": "RUGGEDCOM RST2428P",
"vendor": "Siemens",
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]
},
{
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"product": "SCALANCE XCH328",
"vendor": "Siemens",
"versions": [
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"version": "0",
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}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XCM324",
"vendor": "Siemens",
"versions": [
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"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XCM328",
"vendor": "Siemens",
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{
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"vendor": "Siemens",
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"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRH334 (24 V DC, 8xFO, CC)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
"versionType": "custom"
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]
},
{
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"product": "SCALANCE XRM334 (230 V AC, 12xFO)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRM334 (230 V AC, 8xFO)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRM334 (24 V DC, 12xFO)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRM334 (24 V DC, 8xFO)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRM334 (2x230 V AC, 12xFO)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.3",
"status": "affected",
"version": "0",
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}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XRM334 (2x230 V AC, 8xFO)",
"vendor": "Siemens",
"versions": [
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"version": "0",
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}
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{
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"product": "SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+)",
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"status": "affected",
"version": "0",
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},
{
"defaultStatus": "unknown",
"product": "SIMATIC CN 4100",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V5.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-12T12:07:44.632Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-089022.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"
}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/tee/tee_shm.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "f266188603c34e6e234fb0dfc3185f0ba98d71b7",
"status": "affected",
"version": "c05d8f66ec3470e5212c4d08c46d6cb5738d600d",
"versionType": "git"
},
{
"lessThan": "4377eac565c297fdfccd2f8e9bf94ee84ff6172f",
"status": "affected",
"version": "492eb7afe858d60408b2da09adc78540c4d16543",
"versionType": "git"
},
{
"lessThan": "25e315bc8ad363bd1194e49062f183ad4011957e",
"status": "affected",
"version": "dfd0743f1d9ea76931510ed150334d571fbab49d",
"versionType": "git"
},
{
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"status": "affected",
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"versionType": "git"
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"versionType": "git"
},
{
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"status": "affected",
"version": "dfd0743f1d9ea76931510ed150334d571fbab49d",
"versionType": "git"
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{
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"status": "affected",
"version": "5.10.89",
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},
{
"lessThan": "5.15.192",
"status": "affected",
"version": "5.15.12",
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},
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"lessThan": "4.15",
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},
{
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"status": "affected",
"version": "4.19.224",
"versionType": "semver"
},
{
"lessThan": "5.5",
"status": "affected",
"version": "5.4.170",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/tee/tee_shm.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"version": "5.16"
},
{
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"status": "unaffected",
"version": "0",
"versionType": "semver"
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"status": "unaffected",
"version": "5.10.243",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "5.15.192",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.1.151",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.105",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.46",
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},
{
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"status": "unaffected",
"version": "6.16.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
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"nodes": [
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{
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{
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},
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{
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{
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}
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"negate": false,
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],
"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 --\u003e\n\tshm = reg_pair_to_ptr(...);//shm maybe return NULL\n tee_shm_free(shm); --\u003e\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"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T16:00:51.691Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/f266188603c34e6e234fb0dfc3185f0ba98d71b7"
},
{
"url": "https://git.kernel.org/stable/c/4377eac565c297fdfccd2f8e9bf94ee84ff6172f"
},
{
"url": "https://git.kernel.org/stable/c/25e315bc8ad363bd1194e49062f183ad4011957e"
},
{
"url": "https://git.kernel.org/stable/c/add1ecc8f3ad8df22e3599c5c88d7907cc2a3079"
},
{
"url": "https://git.kernel.org/stable/c/963fca19fe34c496e04f7dd133b807b76a5434ca"
},
{
"url": "https://git.kernel.org/stable/c/5e07a4235bb85d9ef664411e4ff4ac34783c18ff"
},
{
"url": "https://git.kernel.org/stable/c/e4a718a3a47e89805c3be9d46a84de1949a98d5d"
}
],
"title": "tee: fix NULL pointer dereference in tee_shm_put",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-39865",
"datePublished": "2025-09-19T15:26:34.853Z",
"dateReserved": "2025-04-16T07:20:57.143Z",
"dateUpdated": "2026-05-23T16:00:51.691Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Trend slope:
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(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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