driver: base: fix UAF when driver_attach failed
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: 4 fixed, 4 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: driver: base: fix UAF when driver_attach failed When driver_attach(drv); failed, the driver_private will be freed. But it has been added to the bus, which caused a UAF. To fix it, we need to delete it from the bus when failed.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00297 22nd percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.198, 5.10.122, 5.15.47 +3Red Hat: 2 advisoriesRed Hat: 4 fixed, 4 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 | 3.9 and later | 5.4.198, 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 3.9 and later Fixed in 5.4.198, 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.19 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.9 to before 5.4.198; 5.5 to before 5.10.122; 5.11 to before 5.15.47; 5.16 to before 5.17.15; 5.18 to before 5.18.4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.9 to before 5.4.198; 5.5 to before 5.10.122; 5.11 to before 5.15.47; 5.16 to before 5.17.15; 5.18 to before 5.18.4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.198, 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.19
Red Hat 2 advisories
- RHSA-2025:14749 Released 2025-08-27 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.144.1.rt21.216.el9_0, kernel-rt-core-5.14.0-70.144.1.rt21.216.el9_0, kernel-rt-debug-5.14.0-70.144.1.rt21.216.el9_0 +9
- Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.144.1.rt21.216.el9_0, kernel-rt-core-5.14.0-70.144.1.rt21.216.el9_0, kernel-rt-debug-5.14.0-70.144.1.rt21.216.el9_0 +7
- RHSA-2025:14744 Released 2025-08-27 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.144.1.el9_0, kernel-debug-devel-matched-5.14.0-70.144.1.el9_0, kernel-devel-5.14.0-70.144.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.144.1.el9_0, kernel-5.14.0-70.144.1.el9_0, kernel-abi-stablelists-5.14.0-70.144.1.el9_0 +14
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2025:14744 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2025:14744 |
| Red Hat Enterprise Linux NFV E4S (v.9.0) | Fixed | RHSA-2025:14749 |
| Red Hat Enterprise Linux Real Time E4S (v.9.0) | Fixed | RHSA-2025:14749 |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49385
- 2026-10-03 Alias added: GHSA-5mhv-g6m4-pmp4
References
Patch 6
- https://git.kernel.org/stable/c/5d709f58c743166fe1c6914b9de0ae8868600d9b
- https://git.kernel.org/stable/c/823f24f2e329babd0330200d0b74882516fe57f4
- https://git.kernel.org/stable/c/cdf1a683a01583bca4b618dd16223cbd6e462e21
- https://git.kernel.org/stable/c/5389101257828d1913d713d9a40acbe14f5961df
- https://git.kernel.org/stable/c/c059665c84feab46b7173d3a1bf36c2fb7f9df86
- https://git.kernel.org/stable/c/310862e574001a97ad02272bac0fd13f75f42a27
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-2022-49385 · CVE Program
- CVE-2022-49385 · NVD
- FIRST EPSS
- GHSA-5mhv-g6m4-pmp4 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49385 · 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