CVE-2025-68309
published 2025-12-16CVE-2025-68309: In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fix NULL pointer access by aer_info The kzalloc(GFP_KERNEL) may return NULL, so…
PriorityP419medium5.5
EPSS
0.15%
5.1th percentile
In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx
will result in kernel panic. Fix it.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.17.8-1 (forky) | linux 6.17.8-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= a57f2bfb4a5863f83087867c0e671f2418212d23 < 6618243bcc3f60825f761a41ed65fef9fe97eb25 | 6618243bcc3f60825f761a41ed65fef9fe97eb25 |
| linux | linux | >= a57f2bfb4a5863f83087867c0e671f2418212d23 < 0a27bdb14b028fed30a10cec2f945c38cb5ca4fa | 0a27bdb14b028fed30a10cec2f945c38cb5ca4fa |
| linux | linux_kernel | >= 0 < 6.17.8-1 | 6.17.8-1 |
| linux | linux_kernel | >= 0 < 6.17.0-14.14 | 6.17.0-14.14 |
| linux | linux_kernel | >= 6.16.0 < 6.17.8 | 6.17.8 |
| msrc | azl3_kernel_6.6.117.1-1_on_azure_linux_3.0 | — | — |
| ubuntu | linux-aws | — | — |
| ubuntu | linux-oracle | — | — |
CVSS provenance
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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OSV
linux-azure vulnerabilities
osv·2026-02-24
linux-azure vulnerabilities
linux-azure vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- CPU frequency scaling framework;
- Hardware crypto device drivers
OSV
linux-oem-6.17 vulnerabilities
osv·2026-02-17
linux-oem-6.17 vulnerabilities
linux-oem-6.17 vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- CPU frequency scaling framework;
- Hardware crypto device driv
OSV
linux-aws, linux-oracle vulnerabilities
osv·2026-02-17
linux-aws, linux-oracle vulnerabilities
linux-aws, linux-oracle vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- CPU frequency scaling framework;
- Hardware crypto de
OSV
linux-gcp vulnerabilities
osv·2026-02-12
linux-gcp vulnerabilities
linux-gcp vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- CPU frequency scaling framework;
- Hardware crypto device drivers;
OSV
linux, linux-raspi, linux-realtime vulnerabilities
osv·2026-02-12
linux, linux-raspi, linux-realtime vulnerabilities
linux, linux-raspi, linux-realtime vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- CPU frequency scaling framework;
- Hardwar
GHSA
GHSA-h3x8-qr26-4mxq: In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return
ghsa_unreviewed·2025-12-16
CVE-2025-68309 GHSA-h3x8-qr26-4mxq: In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return
In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx
will result in kernel panic. Fix it.
OSV
CVE-2025-68309: In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fix NULL pointer access by aer_info The kzalloc(GFP_KERNEL) may return NU
osv·2025-12-16
CVE-2025-68309 CVE-2025-68309: In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fix NULL pointer access by aer_info The kzalloc(GFP_KERNEL) may return NU
In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fix NULL pointer access by aer_info The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx will result in kernel panic. Fix it.
OSV
PCI/AER: Fix NULL pointer access by aer_info
osv·2025-12-16
CVE-2025-68309 PCI/AER: Fix NULL pointer access by aer_info
PCI/AER: Fix NULL pointer access by aer_info
In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx
will result in kernel panic. Fix it.
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2026-02-24
CVE-2025-40175 Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framewor
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-02-17
CVE-2025-40304 Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and dr
Ubuntu
Linux kernel (OEM) vulnerabilities
vendor_ubuntu·2026-02-17
CVE-2025-68242 Linux kernel (OEM) vulnerabilities
Title: Linux kernel (OEM) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework
Ubuntu
Linux kernel (GCP) vulnerabilities
vendor_ubuntu·2026-02-12
CVE-2025-68242 Linux kernel (GCP) vulnerabilities
Title: Linux kernel (GCP) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2026-02-12
CVE-2025-40304 Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- Nios II architecture;
- PA-RISC architecture;
- RISC-V architecture;
- S390 architecture;
- Sun Sparc architecture;
- x86 architecture;
- Xtensa architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- Network block device driver;
- Bluetooth drivers;
- Bus devices;
- Hardware random number generator core;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and dr
Red Hat
kernel: PCI/AER: Fix NULL pointer access by aer_info
vendor_redhat·2025-12-16·CVSS 5.5
CVE-2025-68309 [MEDIUM] CWE-476 kernel: PCI/AER: Fix NULL pointer access by aer_info
kernel: PCI/AER: Fix NULL pointer access by aer_info
In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx
will result in kernel panic. Fix it.
Package: kernel (Red Hat Enterprise Linux 10) - Fix deferred
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel (Red Hat Enterprise Linux 9) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 9) - Fix deferred
Microsoft
PCI/AER: Fix NULL pointer access by aer_info
vendor_msrc·2025-12-09·CVSS 5.5
CVE-2025-68309 [MEDIUM] PCI/AER: Fix NULL pointer access by aer_info
PCI/AER: Fix NULL pointer access by aer_info
Mariner: Mariner
Linux: Linux
Customer Action Required: Yes
Debian
CVE-2025-68309: linux - In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fi...
vendor_debian·2025
CVE-2025-68309 [LOW] CVE-2025-68309: linux - In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fi...
In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fix NULL pointer access by aer_info The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx will result in kernel panic. Fix it.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved (fixed in 6.17.8-1)
sid: resolved (fixed in 6.17.8-1)
trixie: resolved
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-68309 kernel: PCI/AER: Fix NULL pointer access by aer_info
bugzilla·2025-12-16
CVE-2025-68309 [MEDIUM] CVE-2025-68309 kernel: PCI/AER: Fix NULL pointer access by aer_info
CVE-2025-68309 kernel: PCI/AER: Fix NULL pointer access by aer_info
In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx
will result in kernel panic. Fix it.
Discussion:
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025121651-CVE-2025-68309-1029@gregkh/T
Wiz
CVE-2025-68309 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz
CVE-2025-68309 CVE-2025-68309 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-68309 :
Linux Kernel vulnerability analysis and mitigation
In the Linux kernel, the following vulnerability has been resolved:
PCI/AER: Fix NULL pointer access by aer_info
The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx
will result in kernel panic. Fix it.
Source : NVD
## 5.5
Score
Published December 16, 2025
Severity MEDIUM
CNA Score N/A
Affected Technologies
Linux Kernel
Linux Debian
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 7.7
Exploitation Probability (EPSS) N/A
Affected packages and libraries
linux-realtime
kernel
Sources
NVD
Debian 11, 12, 13 No Fix Added at: Dec 17, 2025
Debian 14 Has Fix Added at: Dec 17, 2025
Echo Has Fix
2025-12-16
Published