hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 5 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer When hvs is released, there is a possibility that vsk->trans may not be initialized to NULL, which could lead to a dangling pointer. This issue is resolved by initializing vsk->trans to NULL.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.14 and later | 4.19.324, 5.4.286, 5.10.230, 5.15.172, 6.1.117, 6.6.61, 6.11.8, 6.12.1, 6.13 | Patch available | CNA |
- Linux VendorLinux Affected 4.14 and later Fixed in 4.19.324, 5.4.286, 5.10.230, 5.15.172, 6.1.117, 6.6.61, 6.11.8, 6.12.1, 6.13 Patch available CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.19.324; 4.20 to before 5.4.286; 5.5 to before 5.10.230; 5.11 to before 5.15.172; 5.16 to before 6.1.117; 6.2 to before 6.6.61; 6.7 to before 6.11.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:-:*:*:*:*:*:* | 6.12 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:* | 6.12 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:* | 6.12 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:* | 6.12 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:* | 6.12 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:* | 6.12 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:* | 6.12 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.12:rc7:*:*:*:*:*:* | 6.12 rc7 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.19.324; 4.20 to before 5.4.286; 5.5 to before 5.10.230; 5.11 to before 5.15.172; 5.16 to before 6.1.117; 6.2 to before 6.6.61; 6.7 to before 6.11.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:-:*:*:*:*:*:* Versions 6.12 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:* Versions 6.12 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:* Versions 6.12 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:* Versions 6.12 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:* Versions 6.12 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:* Versions 6.12 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:* Versions 6.12 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.12:rc7:*:*:*:*:*:* Versions 6.12 rc7 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.324, 5.4.286, 5.10.230, 5.15.172, 6.1.117, 6.6.61, 6.11.8, 6.12.1, 6.13
Red Hat 1 advisory
- RHSA-2025:6966 Released 2025-05-13 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-570.12.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.12.1.el9_6, kernel-64k-devel-5.14.0-570.12.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-570.12.1.el9_6, kernel-64k-5.14.0-570.12.1.el9_6, kernel-64k-core-5.14.0-570.12.1.el9_6 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-570.12.1.el9_6, libperf-5.14.0-570.12.1.el9_6
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-570.12.1.el9_6, kernel-rt-64k-5.14.0-570.12.1.el9_6, kernel-rt-64k-core-5.14.0-570.12.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-570.12.1.el9_6, kernel-rt-core-5.14.0-570.12.1.el9_6, kernel-rt-debug-5.14.0-570.12.1.el9_6 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:6966 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:6966 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:6966 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2025:6966 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2025:6966 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2024-53103
- 2026-10-03 Alias added: GHSA-m934-94j6-4844
- 2026-10-29 Affected versions changed · Red Hat
References
Patch 9
- https://git.kernel.org/stable/c/285266ef92f7b4bf7d26e1e95e215ce6a6badb4a
- https://git.kernel.org/stable/c/4fe1d42f2acc463b733bb42e3f8e67dbc2a0eb2d
- https://git.kernel.org/stable/c/414476c4fb11be070c09ab8f3e75c9ee324a108a
- https://git.kernel.org/stable/c/7cf25987820350cb950856c71b409e5b6eed52bd
- https://git.kernel.org/stable/c/98d8dde9232250a57ad5ef16479bf6a349e09b80
- https://git.kernel.org/stable/c/4bdc5a62c6e50600d8a1c3e18fd6dce0c27c9497
- https://git.kernel.org/stable/c/e0fe3392371293175f25028020ded5267f4cd8e3
- https://git.kernel.org/stable/c/8621725afb38e111969c64280b71480afde2aace
- https://git.kernel.org/stable/c/e629295bd60abf4da1db85b82819ca6a4f6c1e79
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2024-53103 · CVE Program
- CVE-2024-53103 · NVD
- FIRST EPSS
- GHSA-m934-94j6-4844 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-53103 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences