net: lantiq_xrx200: restore buffer if memory allocation failed
Priority LOW 33CWE-401Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-401.
Summary
In the Linux kernel, the following vulnerability has been resolved: net: lantiq_xrx200: restore buffer if memory allocation failed In a situation where memory allocation fails, an invalid buffer address is stored. When this descriptor is used again, the system panics in the build_skb() function when accessing memory.
Why it matters now
EPSS 0.00447 39th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.5, 5.11, 5.13 +2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.4.128 to before 5.5; 5.10.46 to before 5.11; 5.12.13 to before 5.13 | 5.5, 5.11, 5.13 | Patch available | CNA |
| Linux | Linux | 5.13 and later | 5.19.6, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 5.4.128 to before 5.5; 5.10.46 to before 5.11; 5.12.13 to before 5.13 Fixed in 5.5, 5.11, 5.13 Patch available CNA
- Linux VendorLinux Affected 5.13 and later Fixed in 5.19.6, 6.0 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.4.128 to before 5.5; 5.10.46 to before 5.11; 5.12.13 to before 5.13; 5.13.1 to before 5.19.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.13:-:*:*:*:*:*:* | 5.13 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.13:rc7:*:*:*:*:*:* | 5.13 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* | 6.0 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:* | 6.0 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.4.128 to before 5.5; 5.10.46 to before 5.11; 5.12.13 to before 5.13; 5.13.1 to before 5.19.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.13:-:*:*:*:*:*:* Versions 5.13 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.13:rc7:*:*:*:*:*:* Versions 5.13 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* Versions 6.0 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:* Versions 6.0 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.5, 5.11, 5.13
- Fix · CNA Linux (Linux) Fixed in 5.19.6, 6.0
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49997
- 2026-10-03 Alias added: GHSA-5v59-j8mr-j2wp
- 2026-11-07 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-2022-49997 · CVE Program
- CVE-2022-49997 · NVD
- FIRST EPSS
- GHSA-5v59-j8mr-j2wp · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49997 · 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