bpf: Fix use-after-free in bpf_uprobe_multi_link_attach()
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: 10 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: bpf: Fix use-after-free in bpf_uprobe_multi_link_attach() If bpf_link_prime() fails, bpf_uprobe_multi_link_attach() goes to the error_free label and frees the array of bpf_uprobe's without calling bpf_uprobe_unregister(). This leaks bpf_uprobe->uprobe and worse, this frees bpf_uprobe->consumer without removing it from the uprobe->consumers list.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | 6.6 and later | 6.6.54, 6.10.13, 6.11.2, 6.12 | Patch available | CNA |
- Linux VendorLinux Affected 6.6 and later Fixed in 6.6.54, 6.10.13, 6.11.2, 6.12 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.6 to before 6.6.54; 6.7 to before 6.10.13; 6.11 to before 6.11.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.6 to before 6.6.54; 6.7 to before 6.10.13; 6.11 to before 6.11.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.54, 6.10.13, 6.11.2, 6.12
Red Hat 2 advisories
- RHSA-2024:11486 Released 2024-12-19 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-503.19.1.el9_5, libperf-5.14.0-503.19.1.el9_5
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-503.19.1.el9_5, kernel-64k-debug-devel-matched-5.14.0-503.19.1.el9_5, kernel-64k-devel-5.14.0-503.19.1.el9_5 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.4.0-503.19.1.el9_5, kernel-5.14.0-503.19.1.el9_5, kernel-64k-5.14.0-503.19.1.el9_5 +30
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-503.19.1.el9_5, kernel-rt-core-5.14.0-503.19.1.el9_5, kernel-rt-debug-5.14.0-503.19.1.el9_5 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-503.19.1.el9_5, kernel-rt-core-5.14.0-503.19.1.el9_5, kernel-rt-debug-5.14.0-503.19.1.el9_5 +11
- RHSA-2024:10942 Released 2024-12-11 · Red Hat rating Moderatekernel:5.14.0 security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.48.1.el9_4, libperf-5.14.0-427.48.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.48.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.48.1.el9_4, kernel-64k-devel-5.14.0-427.48.1.el9_4 +10
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.48.1.el9_4, kernel-5.14.0-427.48.1.el9_4, kernel-64k-5.14.0-427.48.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.48.1.el9_4, kernel-rt-core-5.14.0-427.48.1.el9_4, kernel-rt-debug-5.14.0-427.48.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.48.1.el9_4, kernel-rt-core-5.14.0-427.48.1.el9_4, kernel-rt-debug-5.14.0-427.48.1.el9_4 +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 CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:11486 |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2024:10942 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:11486 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2024:10942 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:11486 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2024:10942 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2024:11486 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2024:10942 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2024:11486 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2024:10942 |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux AppStream EUS (v.9.4)
Timeline
- 2026-10-02 Threatist record created from CVE-2024-47675
- 2026-10-03 Alias added: GHSA-8qrc-cg87-8g3w
- 2026-10-29 Affected versions changed · Red Hat
References
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-2024-47675 · CVE Program
- CVE-2024-47675 · NVD
- FIRST EPSS
- GHSA-8qrc-cg87-8g3w · GitHub Advisory Database · CC BY 4.0
- CVE-2024-47675 · 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