tpm: Change to kvalloc() in eventlog/acpi.c
In the Linux kernel, the following vulnerability has been resolved: tpm: Change to kvalloc() in eventlog/acpi.c The following failure was reported on HPE ProLiant D320: [ 10.693310][ T1] tpm_tis STM0925:00: 2.0 TPM (device-id 0x3, rev-id 0) [ 10.848132][ T1] ------------[ cut here ]------------ [ 10.853559][ T1] WARNING: CPU: 59 PID: 1 at mm/page_alloc.c:4727 __alloc_pages_noprof+0x2ca/0x330 [ 10.862827][ T1] Modules linked in: [ 10.866671][ T1] CPU: 59 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-lp155.2.g52785e2-default #1 openSUSE Tumbleweed (unreleased) 588cd98293a7c9eba9013378d807364c088c9375 [ 10.882741][ T1] Hardware name: HPE ProLiant DL320 Gen12/ProLiant DL320 Gen12, BIOS 1.20 10/28/2024 [ 10.892170][ T1] RIP: 0010:__alloc_pages_noprof+0x2ca/0x330 [ 10.898103][ T1] Code: 24 08 e9 4a fe ff ff e8 34 36 fa ff e9 88 fe ff ff 83 fe 0a 0f 86 b3 fd ff ff 80 3d 01 e7 ce 01 00 75 09 c6 05 f8 e6 ce 01 01 <0f> 0b 45 31 ff e9 e5 fe ff ff f7 c2 00 00 08 00 75 42 89 d9 80 e1 [ 10.917750][ T1] RSP: 0000:ffffb7cf40077980 EFLAGS: 00010246 [ 10.923777][ T1] RAX: 0000000000000000 RBX: 0000000000040cc0 RCX: 0000000000000000 [ 10.931727][ T1] RDX: 0000000000000000 RSI: 000000000000000c RDI: 0000000000040cc0 The above transcript shows that ACPI pointed a 16 MiB buffer for the log events because RSI maps to the 'order' parameter of __alloc_pages_noprof(). Address the bug by moving from devm_kmalloc() to devm_add_action() and kvmalloc() and devm_add_action().
- Published
- Feb 26, 2025
- Updated
- Jul 14, 2026
- EPSS
- 0.2% · 14th percentile
- CWE
- —
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Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| linux | linux kernel | cpe:2.3:o:linux:linux_kernel |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- linux linux kernel2.6.16 and later · before 6.6.78
- linux linux kernel6.7 and later · before 6.12.14
- linux linux kernel6.13 and later · before 6.13.3
Versions reported by the vendor
Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.
Linux Linux
- 2.6.16affected
- 55a82ab3181be039c6440d3f2f69260ad6fe2988 and later · before a676c0401de59548a5bc1b7aaf98f556ae8ea6dbaffected · git
- 55a82ab3181be039c6440d3f2f69260ad6fe2988 and later · before 0621d2599d6e02d05c85d6bbd58eaea2f15b3503affected · git
- 55a82ab3181be039c6440d3f2f69260ad6fe2988 and later · before 77779d1258a287f2c5c2c6aeae203e0996209c77affected · git
- 55a82ab3181be039c6440d3f2f69260ad6fe2988 and later · before 50365a6304a57266e8f4d3078060743c3b7a1e0daffected · git
- 55a82ab3181be039c6440d3f2f69260ad6fe2988 and later · before 422d7f4e8d817be467986589c7968d3ea402f7daaffected · git
- 55a82ab3181be039c6440d3f2f69260ad6fe2988 and later · before 4c8bfe643bbd00b04ee8f9545ef33bf6a68c38dbaffected · git
- 55a82ab3181be039c6440d3f2f69260ad6fe2988 and later · before a3a860bc0fd6c07332e4911cf9a238d20de90173affected · git
- before 2.6.16not affected · semver
- 5.10.235 and later · up to and including 5.10.*not affected · semver
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:9 | kernel | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-core | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-debug | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-debug-core | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-debug-devel | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-debug-modules | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-devel | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-devel-matched | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-modules | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-modules-core | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-64k-modules-extra | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-abi-stablelists | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-core | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-cross-headers | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-debug | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-debug-core | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-debug-devel | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-debug-devel-matched | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-debug-modules | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
| AlmaLinux:9 | kernel-debug-modules-core | before 5.14.0-570.16.1.el9_6 | 5.14.0-570.16.1.el9_6 |
+96
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV89Now
- CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV85Now
- CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV83Now
- CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV77This week
- CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV77This week
- CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV77This week
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Linux Linux | 0621d2599d6e02d05c85d6bbd58eaea2f15b3503 | Vendor (CNA) |
| Linux Linux | 422d7f4e8d817be467986589c7968d3ea402f7da | Vendor (CNA) |
| Linux Linux | 4c8bfe643bbd00b04ee8f9545ef33bf6a68c38db | Vendor (CNA) |
| Linux Linux | 50365a6304a57266e8f4d3078060743c3b7a1e0d | Vendor (CNA) |
| Linux Linux | 77779d1258a287f2c5c2c6aeae203e0996209c77 | Vendor (CNA) |
| Linux Linux | a3a860bc0fd6c07332e4911cf9a238d20de90173 | Vendor (CNA) |
| Linux Linux | a676c0401de59548a5bc1b7aaf98f556ae8ea6db | Vendor (CNA) |
| azl3 kernel 6.6.64.2-9 on Azure Linux 3.0 | 6.6.78.1-3 · CBL-Mariner Releases | Microsoft (MSRC) |
| azl3 kernel 6.6.78.1-3 on Azure Linux 3.0 | 6.6.78.1-3 · CBL-Mariner Releases | Microsoft (MSRC) |
| cbl2 kernel 5.15.179.1-1 on CBL Mariner 2.0 | 5.15.179.1-1 · CBL-Mariner Releases | Microsoft (MSRC) |
| cbl2 kernel 5.15.182.1-1 on CBL Mariner 2.0 | CBL-Mariner Releases | Microsoft (MSRC) |
| cbl2 kernel 5.15.182.1-1 on CBL-Mariner 2.0 | 5.15.179.1-1 · CBL-Mariner Releases | Microsoft (MSRC) |
| almalinux:kernel | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-core | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-debug | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-debug-core | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-debug-devel | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-debug-devel-matched | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-debug-modules | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-debug-modules-core | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-debug-modules-extra | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-devel | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:kernel-64k-devel-matched | 5.14.0-570.16.1.el9_6 · AlmaLinux:9 | Package registry (OSV) |
| debian:linux | 6.1.133-1 · Debian:12 | Package registry (OSV) |
| red hat:kernel-64k-debug-debuginfo | 0:5.14.0-570.16.1.el9_6 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:kernel-64k-debug-devel | 0:5.14.0-570.16.1.el9_6 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:kernel-64k-debug-devel-matched | 0:5.14.0-570.16.1.el9_6 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:kernel-64k-debuginfo | 0:5.14.0-570.16.1.el9_6 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:kernel-64k-devel | 0:5.14.0-570.16.1.el9_6 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
+7
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- git.kernel.org/stable/c/0621d2599d6e02d05c85d6bbd58eaea2f15b3503
- git.kernel.org/stable/c/422d7f4e8d817be467986589c7968d3ea402f7da
- git.kernel.org/stable/c/4c8bfe643bbd00b04ee8f9545ef33bf6a68c38db
- git.kernel.org/stable/c/50365a6304a57266e8f4d3078060743c3b7a1e0d
- git.kernel.org/stable/c/77779d1258a287f2c5c2c6aeae203e0996209c77
- git.kernel.org/stable/c/a3a860bc0fd6c07332e4911cf9a238d20de90173
- git.kernel.org/stable/c/a676c0401de59548a5bc1b7aaf98f556ae8ea6db
- lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- cert-portal.siemens.com/productcert/html/ssa-082556.html
- cert-portal.siemens.com/productcert/html/ssa-265688.html
- cert-portal.siemens.com/productcert/html/ssa-503939.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.