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Vulnerability · Published Jun 18, 2025 · Assigned by Linux

CVE-2022-49997net: lantiq_xrx200: restore buffer if memory allocation failed

High 7.5

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 61.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.19.6-1DEBIAN-CVE-2022-49997
Debian:13linux5.19.6-1DEBIAN-CVE-2022-49997
Debian:14linux5.19.6-1DEBIAN-CVE-2022-49997
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-49997
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49997
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49997
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49997
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-49997

Affected products (as reported)

VendorProductVersions
Linux Linux 7ea6cd16f1599c1eac6018751eadbc5fc736b99a – before 3ef2786e32d93e562cd40601248a14ae090de8737ea6cd16f1599c1eac6018751eadbc5fc736b99a – before c9c3b1775f80fa21f5bff874027d2ccb10f5d90c217395c5ab15e92a4fd84fe77fab6b0b1bb4e45670c8418469fb22a679fe5015ebe60fe15011ea435e006cdb9b759f604c4fc69b410aab37cf45f5b45.4.128 – before 5.55.10.46 – before 5.115.12.13 – before 5.13
Linux Linux 5.13

References