Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2017-7487

Use After Free

Published: May 14, 2017 | Modified: Apr 20, 2025
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
5.6 LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2017-7487
CWEhttps://cwe.mitre.org/data/definitions/416.html

The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a failed SIOCGIFADDR ioctl call for an IPX interface.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux*3.2.89 (excluding)
Linux_kernelLinux3.3 (including)3.16.44 (excluding)
Linux_kernelLinux3.17 (including)3.18.55 (excluding)
Linux_kernelLinux3.19 (including)4.1.41 (excluding)
Linux_kernelLinux4.2 (including)4.4.70 (excluding)
Linux_kernelLinux4.5 (including)4.9.30 (excluding)
Linux_kernelLinux4.10 (including)4.11.3 (excluding)
LinuxUbuntuesm-infra-legacy/trusty*
LinuxUbuntuesm-infra/xenial*
LinuxUbuntuprecise/esm*
LinuxUbuntutrusty*
LinuxUbuntutrusty/esm*
LinuxUbuntuupstream*
LinuxUbuntuvivid/ubuntu-core*
LinuxUbuntuxenial*
LinuxUbuntuyakkety*
LinuxUbuntuzesty*
Linux-awsUbuntuesm-infra/xenial*
Linux-awsUbuntuupstream*
Linux-awsUbuntuxenial*
Linux-aws-5.15Ubuntuupstream*
Linux-aws-5.4Ubuntuupstream*
Linux-aws-6.8Ubuntuupstream*
Linux-aws-fipsUbuntutrusty*
Linux-aws-fipsUbuntuupstream*
Linux-aws-fipsUbuntuxenial*
Linux-aws-hweUbuntuupstream*
Linux-azureUbuntuesm-infra/bionic*
Linux-azureUbuntuupstream*
Linux-azure-4.15Ubuntuupstream*
Linux-azure-5.15Ubuntuupstream*
Linux-azure-5.4Ubuntuupstream*
Linux-azure-6.8Ubuntuupstream*
Linux-azure-fdeUbuntuesm-infra/focal*
Linux-azure-fdeUbuntufocal*
Linux-azure-fdeUbuntuupstream*
Linux-azure-fde-5.15Ubuntuupstream*
Linux-azure-fipsUbuntutrusty*
Linux-azure-fipsUbuntuupstream*
Linux-azure-fipsUbuntuxenial*
Linux-bluefieldUbuntuupstream*
Linux-euclidUbuntuupstream*
Linux-euclidUbuntuxenial*
Linux-fipsUbuntufips/xenial*
Linux-fipsUbuntuupstream*
Linux-floUbuntutrusty*
Linux-floUbuntuupstream*
Linux-floUbuntuvivid/stable-phone-overlay*
Linux-floUbuntuxenial*
Linux-floUbuntuyakkety*
Linux-gcpUbuntuesm-infra/bionic*
Linux-gcpUbuntuupstream*
Linux-gcp-4.15Ubuntuupstream*
Linux-gcp-5.15Ubuntuupstream*
Linux-gcp-5.4Ubuntuupstream*
Linux-gcp-6.8Ubuntuupstream*
Linux-gcp-fipsUbuntutrusty*
Linux-gcp-fipsUbuntuupstream*
Linux-gcp-fipsUbuntuxenial*
Linux-gkeUbuntuesm-infra/focal*
Linux-gkeUbuntufocal*
Linux-gkeUbuntuupstream*
Linux-gkeUbuntuxenial*
Linux-gkeopUbuntuupstream*
Linux-gkeop-5.15Ubuntuupstream*
Linux-goldfishUbuntutrusty*
Linux-goldfishUbuntuupstream*
Linux-goldfishUbuntuxenial*
Linux-goldfishUbuntuyakkety*
Linux-goldfishUbuntuzesty*
Linux-grouperUbuntutrusty*
Linux-grouperUbuntuupstream*
Linux-hweUbuntuesm-infra/bionic*
Linux-hweUbuntuesm-infra/xenial*
Linux-hweUbuntuupstream*
Linux-hweUbuntuxenial*
Linux-hwe-5.15Ubuntuupstream*
Linux-hwe-5.4Ubuntuupstream*
Linux-hwe-6.8Ubuntuupstream*
Linux-hwe-edgeUbuntuesm-infra/bionic*
Linux-hwe-edgeUbuntuesm-infra/xenial*
Linux-hwe-edgeUbuntuupstream*
Linux-hwe-edgeUbuntuxenial*
Linux-ibmUbuntuupstream*
Linux-ibm-5.15Ubuntuupstream*
Linux-ibm-5.4Ubuntuupstream*
Linux-intelUbuntuupstream*
Linux-intel-iot-realtimeUbuntujammy*
Linux-intel-iot-realtimeUbuntuupstream*
Linux-intel-iotgUbuntuupstream*
Linux-intel-iotg-5.15Ubuntuupstream*
Linux-iotUbuntuupstream*
Linux-kvmUbuntuupstream*
Linux-lowlatencyUbuntuupstream*
Linux-lowlatency-hwe-5.15Ubuntuupstream*
Linux-lowlatency-hwe-6.8Ubuntuupstream*
Linux-lts-quantalUbuntuprecise/esm*
Linux-lts-quantalUbuntuupstream*
Linux-lts-raringUbuntuprecise/esm*
Linux-lts-raringUbuntuupstream*
Linux-lts-saucyUbuntuprecise/esm*
Linux-lts-saucyUbuntuupstream*
Linux-lts-trustyUbuntuupstream*
Linux-lts-utopicUbuntutrusty*
Linux-lts-utopicUbuntuupstream*
Linux-lts-vividUbuntutrusty*
Linux-lts-vividUbuntutrusty/esm*
Linux-lts-vividUbuntuupstream*
Linux-lts-wilyUbuntutrusty*
Linux-lts-wilyUbuntuupstream*
Linux-lts-xenialUbuntuesm-infra-legacy/trusty*
Linux-lts-xenialUbuntutrusty*
Linux-lts-xenialUbuntutrusty/esm*
Linux-lts-xenialUbuntuupstream*
Linux-maguroUbuntutrusty*
Linux-maguroUbuntuupstream*
Linux-makoUbuntutrusty*
Linux-makoUbuntuupstream*
Linux-makoUbuntuvivid/stable-phone-overlay*
Linux-makoUbuntuxenial*
Linux-makoUbuntuyakkety*
Linux-mantaUbuntutrusty*
Linux-mantaUbuntuupstream*
Linux-nvidiaUbuntuupstream*
Linux-nvidia-6.5Ubuntuupstream*
Linux-nvidia-6.8Ubuntuupstream*
Linux-nvidia-lowlatencyUbuntuupstream*
Linux-oemUbuntuesm-infra/bionic*
Linux-oemUbuntuupstream*
Linux-oem-6.11Ubuntuupstream*
Linux-oem-6.8Ubuntuupstream*
Linux-oracleUbuntuupstream*
Linux-oracle-5.15Ubuntuupstream*
Linux-oracle-5.4Ubuntuupstream*
Linux-oracle-6.8Ubuntuupstream*
Linux-raspiUbuntuupstream*
Linux-raspi-5.4Ubuntuupstream*
Linux-raspi-realtimeUbuntunoble*
Linux-raspi-realtimeUbuntuupstream*
Linux-raspi2Ubuntuesm-infra/focal*
Linux-raspi2Ubuntufocal*
Linux-raspi2Ubuntuupstream*
Linux-raspi2Ubuntuvivid/ubuntu-core*
Linux-raspi2Ubuntuxenial*
Linux-raspi2Ubuntuyakkety*
Linux-raspi2Ubuntuzesty*
Linux-realtimeUbuntujammy*
Linux-realtimeUbuntuupstream*
Linux-riscvUbuntuesm-infra/focal*
Linux-riscvUbuntufocal*
Linux-riscvUbuntujammy*
Linux-riscvUbuntuupstream*
Linux-riscv-5.15Ubuntuupstream*
Linux-riscv-6.8Ubuntuupstream*
Linux-snapdragonUbuntuupstream*
Linux-snapdragonUbuntuxenial*
Linux-snapdragonUbuntuyakkety*
Linux-snapdragonUbuntuzesty*
Linux-xilinx-zynqmpUbuntuupstream*

Potential Mitigations

References

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