CVE-2025-39865
published 2025-09-19CVE-2025-39865: 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…
medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
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+0xa8/0x1
Affected
38 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | linux | < linux 6.1.153-1 (bookworm) | linux 6.1.153-1 (bookworm) |
| debian | linux-6.1 | < linux 6.1.153-1 (bookworm) | linux 6.1.153-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | >= 4.14.261 < 4.15 | 4.15 |
| linux | linux | >= 4.19.224 < 4.20 | 4.20 |
| linux | linux | >= 492eb7afe858d60408b2da09adc78540c4d16543 < 4377eac565c297fdfccd2f8e9bf94ee84ff6172f | 4377eac565c297fdfccd2f8e9bf94ee84ff6172f |
| linux | linux | >= 5.10.89 < 5.10.243 | 5.10.243 |
| linux | linux | >= 5.15.12 < 5.15.192 | 5.15.192 |
| linux | linux | >= 5.4.170 < 5.5 | 5.5 |
| linux | linux | >= c05d8f66ec3470e5212c4d08c46d6cb5738d600d < f266188603c34e6e234fb0dfc3185f0ba98d71b7 | f266188603c34e6e234fb0dfc3185f0ba98d71b7 |
| linux | linux | >= dfd0743f1d9ea76931510ed150334d571fbab49d < 25e315bc8ad363bd1194e49062f183ad4011957e | 25e315bc8ad363bd1194e49062f183ad4011957e |
| linux | linux | >= dfd0743f1d9ea76931510ed150334d571fbab49d < add1ecc8f3ad8df22e3599c5c88d7907cc2a3079 | add1ecc8f3ad8df22e3599c5c88d7907cc2a3079 |
| linux | linux | >= dfd0743f1d9ea76931510ed150334d571fbab49d < 963fca19fe34c496e04f7dd133b807b76a5434ca | 963fca19fe34c496e04f7dd133b807b76a5434ca |
| linux | linux | >= dfd0743f1d9ea76931510ed150334d571fbab49d < 5e07a4235bb85d9ef664411e4ff4ac34783c18ff | 5e07a4235bb85d9ef664411e4ff4ac34783c18ff |
| linux | linux | >= dfd0743f1d9ea76931510ed150334d571fbab49d < e4a718a3a47e89805c3be9d46a84de1949a98d5d | e4a718a3a47e89805c3be9d46a84de1949a98d5d |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.244-1 | 5.10.244-1 |
| linux | linux_kernel | >= 0 < 6.1.153-1 | 6.1.153-1 |
| linux | linux_kernel | >= 0 < 6.12.48-1 | 6.12.48-1 |
| linux | linux_kernel | >= 0 < 6.16.6-1 | 6.16.6-1 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM