CVE-2021-3323

CVE-2021-3323 relates to an integer underflow in Zephyr’s 6LoWPAN IPHC header uncompression. Affected product: Zephyr RTOS (embedded, resource-constrained devices). Vulnerable component: 6LoWPAN IPHC header decompression logic. Root cause: integer underflow/wraparound (CWE-191) during IPHC proces...

CVE-2021-3323 Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Zephyr versions = =2.4.0 contain Integer Underflow Wrap or Wraparound CWE-191. For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc...

CVE-2021-3323

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Zephyr versions = =2.4.0 contain Integer Underflow Wrap or Wraparound CWE-191. For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc...

Security update for the Linux Kernel (important)

The openSUSE Leap 42.3 kernel was updated to 4.4.162 to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-18281: The mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a...