vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
Priority LOW 36CWE-416Published · Updated
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: 14 fixed, 1 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: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans During loopback communication, a dangling pointer can be created in vsk->trans, potentially leading to a Use-After-Free condition. This issue is resolved by initializing vsk->trans to NULL.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.19.324, 5.4.286, 5.10.230 +5Red Hat: 4 advisoriesRed Hat: 14 fixed, 1 without a fix
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 | 4.8 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 | Patch available | CNA |
- Linux VendorLinux Affected 4.8 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 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.8 to 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: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:*:*:*:*:*:*:*:* Versions 4.8 to 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: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
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
Red Hat 4 advisories
- RHSA-2025:3510 Released 2025-04-02 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.62.1.el9_4, libperf-5.14.0-427.62.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.62.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.62.1.el9_4, kernel-64k-devel-5.14.0-427.62.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.62.1.el9_4, kernel-5.14.0-427.62.1.el9_4, kernel-64k-5.14.0-427.62.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.62.1.el9_4, kernel-rt-core-5.14.0-427.62.1.el9_4, kernel-rt-debug-5.14.0-427.62.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.62.1.el9_4, kernel-rt-core-5.14.0-427.62.1.el9_4, kernel-rt-debug-5.14.0-427.62.1.el9_4 +11
- RHSA-2025:2627 Released 2025-03-11 · Red Hat rating Importantkernel security update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-503.31.1.el9_5, libperf-5.14.0-503.31.1.el9_5
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-503.31.1.el9_5, kernel-64k-debug-devel-matched-5.14.0-503.31.1.el9_5, kernel-64k-devel-5.14.0-503.31.1.el9_5 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.4.0-503.31.1.el9_5, kernel-5.14.0-503.31.1.el9_5, kernel-64k-5.14.0-503.31.1.el9_5 +30
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-503.31.1.el9_5, kernel-rt-core-5.14.0-503.31.1.el9_5, kernel-rt-debug-5.14.0-503.31.1.el9_5 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-503.31.1.el9_5, kernel-rt-core-5.14.0-503.31.1.el9_5, kernel-rt-debug-5.14.0-503.31.1.el9_5 +11
- RHSA-2024:10943 Released 2024-12-11 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.32.1.el8_10, kernel-4.18.0-553.32.1.el8_10, kernel-abi-stablelists-4.18.0-553.32.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.32.1.el8_10
Show 1 more Red Hat advisories
- RHSA-2024:10944 Released 2024-12-11 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.32.1.rt7.373.el8_10, kernel-rt-core-4.18.0-553.32.1.rt7.373.el8_10, kernel-rt-debug-4.18.0-553.32.1.rt7.373.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.32.1.rt7.373.el8_10, kernel-rt-core-4.18.0-553.32.1.rt7.373.el8_10, kernel-rt-debug-4.18.0-553.32.1.rt7.373.el8_10 +7
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 CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:2627 |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2025:3510 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:2627 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2025:3510 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:10943 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:2627 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2025:3510 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2024:10943 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2024:10944 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2024:10944 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2025:2627 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2025:3510 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2025:2627 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2025:3510 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2024-50264
- 2026-10-03 Alias added: GHSA-8vxc-ww8x-mxp8
- 2026-10-29 Affected versions changed · Red Hat
References
Patch 7
- https://git.kernel.org/stable/c/5f092a4271f6dccf88fe0d132475a17b69ef71df
- https://git.kernel.org/stable/c/fd8ae346692a56b4437d626c5460c7104980f389
- https://git.kernel.org/stable/c/eb1bdcb7dfc30b24495ee4c5533af0ed135cb5f1
- https://git.kernel.org/stable/c/2a6a4e69f255b7aed17f93995691ab4f0d3c2203
- https://git.kernel.org/stable/c/44d29897eafd0e1196453d3003a4d5e0b968eeab
- https://git.kernel.org/stable/c/b110196fec44fe966952004bd426967c2a8fd358
- https://git.kernel.org/stable/c/6ca575374dd9a507cdd16dfa0e78c2e9e20bd05f
More Linux Kernel vulnerabilities
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- 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
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- 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-2024-50264 · CVE Program
- CVE-2024-50264 · NVD
- FIRST EPSS
- GHSA-8vxc-ww8x-mxp8 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-50264 · Red Hat security data · CC BY 4.0
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