net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 14 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-908 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path syzbot reported that act_len in kalmia_send_init_packet() is uninitialized when passing it to the first usb_bulk_msg error path. Jiri Pirko noted that it's pointless to pass it in the error path, and that the value that would be printed in the second error path would be the value of act_len from the first call to usb_bulk_msg.[1] With this in mind, let's just not pass act_len to the usb_bulk_msg error paths. 1: https://lore.kernel.org/lkml/Y9pY61y1nwTuzMOa@nanopsycho/
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 | 3.0 and later | 4.14.306, 4.19.273, 5.4.232, 5.10.169, 5.15.95, 6.1.13, 6.2 | Patch available | CNA |
- Linux VendorLinux Affected 3.0 and later Fixed in 4.14.306, 4.19.273, 5.4.232, 5.10.169, 5.15.95, 6.1.13, 6.2 Patch available CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.0.1 to before 4.14.306; 4.15 to before 4.19.273; 4.20 to before 5.4.232; 5.5 to before 5.10.169; 5.11 to before 5.15.95; 5.16 to before 6.1.13 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0:-:*:*:*:*:*:* | 3.0 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:* | 3.0 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:* | 3.0 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:* | 3.0 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:* | 3.0 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* | 6.2 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* | 6.2 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* | 6.2 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* | 6.2 rc4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.0.1 to before 4.14.306; 4.15 to before 4.19.273; 4.20 to before 5.4.232; 5.5 to before 5.10.169; 5.11 to before 5.15.95; 5.16 to before 6.1.13 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0:-:*:*:*:*:*:* Versions 3.0 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:* Versions 3.0 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:* Versions 3.0 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:* Versions 3.0 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:* Versions 3.0 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* Versions 6.2 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* Versions 6.2 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* Versions 6.2 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* Versions 6.2 rc4 Vulnerable ·Linux
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* | 6.2 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:* | 6.2 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:* | 6.2 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc8:*:*:*:*:*:* | 6.2 rc8 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* Versions 6.2 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:* Versions 6.2 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:* Versions 6.2 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc8:*:*:*:*:*:* Versions 6.2 rc8 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.306, 4.19.273, 5.4.232, 5.10.169, 5.15.95, 6.1.13, 6.2
Red Hat 4 advisories
- RHSA-2025:8248 Released 2025-05-28 · Red Hat rating Importantkernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.70.1.el9_4, libperf-5.14.0-427.70.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.70.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.70.1.el9_4, kernel-64k-devel-5.14.0-427.70.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.70.1.el9_4, kernel-5.14.0-427.70.1.el9_4, kernel-64k-5.14.0-427.70.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.70.1.el9_4, kernel-rt-core-5.14.0-427.70.1.el9_4, kernel-rt-debug-5.14.0-427.70.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.70.1.el9_4, kernel-rt-core-5.14.0-427.70.1.el9_4, kernel-rt-debug-5.14.0-427.70.1.el9_4 +11
- RHSA-2024:9315 Released 2024-11-12 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder (v. 9) kernel-cross-headers-5.14.0-503.11.1.el9_5, kernel-tools-libs-devel-5.14.0-503.11.1.el9_5, libperf-5.14.0-503.11.1.el9_5
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-503.11.1.el9_5, kernel-64k-debug-devel-matched-5.14.0-503.11.1.el9_5, kernel-64k-devel-5.14.0-503.11.1.el9_5 +12
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.4.0-503.11.1.el9_5, kernel-5.14.0-503.11.1.el9_5, kernel-64k-5.14.0-503.11.1.el9_5 +30
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-503.11.1.el9_5, kernel-rt-core-5.14.0-503.11.1.el9_5, kernel-rt-debug-5.14.0-503.11.1.el9_5 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-503.11.1.el9_5, kernel-rt-core-5.14.0-503.11.1.el9_5, kernel-rt-debug-5.14.0-503.11.1.el9_5 +11
- RHSA-2024:4352 Released 2024-07-08 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-core-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-debug-4.18.0-553.8.1.rt7.349.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-core-4.18.0-553.8.1.rt7.349.el8_10, kernel-rt-debug-4.18.0-553.8.1.rt7.349.el8_10 +7
Show 1 more Red Hat advisories
- RHSA-2024:4211 Released 2024-07-02 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.8.1.el8_10, kernel-4.18.0-553.8.1.el8_10, kernel-abi-stablelists-4.18.0-553.8.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.8.1.el8_10
Vendor assessments
Red Hat
Red Hat rating: Low. 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-2024:9315 |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2025:8248 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2025:8248 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:4211 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2025:8248 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2024:4211 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2024:4352 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2024:4352 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2025:8248 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2025:8248 |
Not affected: 4 products
- Red Hat CodeReady Linux Builder (v. 9)
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux AppStream (v. 9)
- Red Hat Enterprise Linux BaseOS (v. 8)
Timeline
- 2026-10-02 Threatist record created from CVE-2023-52703
- 2026-10-03 Alias added: GHSA-hcvq-7hmv-2q86
- 2026-10-29 Affected versions changed · Red Hat
References
Patch 7
- https://git.kernel.org/stable/c/1b5de7d44890b78519acbcc80d8d1f23ff2872e5
- https://git.kernel.org/stable/c/723ef7b66f37c0841f5a451ccbce47ee1641e081
- https://git.kernel.org/stable/c/a753352622b4f3c0219e0e9c73114b2848ae6042
- https://git.kernel.org/stable/c/525bdcb0838d19d918c7786151ee14661967a030
- https://git.kernel.org/stable/c/338f826d3afead6e4df521f7972a4bef04a72efb
- https://git.kernel.org/stable/c/02df3170c04a8356cd571ab9155a42f030190abc
- https://git.kernel.org/stable/c/c68f345b7c425b38656e1791a0486769a8797016
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Sources
- CVE-2023-52703 · CVE Program
- CVE-2023-52703 · NVD
- FIRST EPSS
- GHSA-hcvq-7hmv-2q86 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-52703 · 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