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TI-2025-25535 Aliases CVE-2025-38195GHSA-qffh-4j5f-8w7g

LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset()

Priority LOW 24Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset() ERROR INFO: CPU 25 Unable to handle kernel paging request at virtual address 0x0 ... Call Trace: [<900000000023c30c>] huge_pte_offset+0x3c/0x58 [<900000000057fd4c>] hugetlb_follow_page_mask+0x74/0x438 [<900000000051fee8>] __get_user_pages+0xe0/0x4c8 [<9000000000522414>] faultin_page_range+0x84/0x380 [<9000000000564e8c>] madvise_vma_behavior+0x534/0xa48 [<900000000056689c>] do_madvise+0x1bc/0x3e8 [<9000000000566df4>] sys_madvise+0x24/0x38 [<90000000015b9e88>] do_syscall+0x78/0x98 [<9000000000221f18>] handle_syscall+0xb8/0x158 In some cases, pmd may be NULL and rely on NULL as the return value for processing, so it is necessary to determine this situation here.

Why it matters now

EPSS 0.00182 7th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.1.191, 6.6.95, 6.12.35 +3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux6.1.136 to before 6.1.191; 6.6.89 to before 6.6.95; 6.12.26 to before 6.12.35; 6.14.5 to before 6.156.1.191, 6.6.95, 6.12.35, 6.15Patch availableCNA
LinuxLinux6.15 and later6.1.191, 6.6.95, 6.12.35, 6.15.4, 6.16Patch availableCNA
  • Linux VendorLinux Affected 6.1.136 to before 6.1.191; 6.6.89 to before 6.6.95; 6.12.26 to before 6.12.35; 6.14.5 to before 6.15 Fixed in 6.1.191, 6.6.95, 6.12.35, 6.15 Patch available CNA
  • Linux VendorLinux Affected 6.15 and later Fixed in 6.1.191, 6.6.95, 6.12.35, 6.15.4, 6.16 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*6.1.136 to before 6.2; 6.6.89 to before 6.6.95; 6.12.26 to before 6.12.35; 6.14.5 to before 6.15; 6.15.1 to before 6.15.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:*6.15VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*6.15 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*6.15 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*6.15 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*6.15 rc7VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.1.136 to before 6.2; 6.6.89 to before 6.6.95; 6.12.26 to before 6.12.35; 6.14.5 to before 6.15; 6.15.1 to before 6.15.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:* Versions 6.15 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:* Versions 6.15 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:* Versions 6.15 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:* Versions 6.15 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:* Versions 6.15 rc7 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.95, 6.12.35, 6.15
  • Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.95, 6.12.35, 6.15.4, 6.16

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 5 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-38195
  2. 2026-10-03 Alias added: GHSA-qffh-4j5f-8w7g
  3. 2026-10-30 Fix available: Linux/Linux@55a9a7d21309bbea1dd629cf28396521a2803bb3, Linux/[email protected] · CNA
  4. 2026-10-30 1 new reference · CNA

References

Patch 4

Other 1

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences