Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• canonical ubuntu linux14.04
• canonical ubuntu linux16.04
• canonical ubuntu linux18.04
• canonical ubuntu linux20.04
• canonical ubuntu linux22.04
• debian debian linux10.0
• linux linux kernel4.14 and later · before 4.14.278
• linux linux kernel4.15 and later · before 4.19.241
• linux linux kernel4.20 and later · before 5.4.191
• linux linux kernel5.5 and later · before 5.10.113
• linux linux kernel5.11 and later · before 5.15.36
• linux linux kernel5.16 and later · before 5.17.5
• netapp h300e firmwareall versions
• netapp h300s firmwareall versions
• netapp h410c firmwareall versions
• netapp h410s firmwareall versions
• netapp h500e firmwareall versions
• netapp h500s firmwareall versions
• netapp h700e firmwareall versions
• netapp h700s firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Google). Independent of NVD's CPE analysis and usually ahead of it.

• Linux Kernel

  • unspecified and later · before 5.18affected
  • 4.14 and later · before unspecifiedaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
  89Now
• CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
  85Now
• CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
  83Now

Published before and after this one in the same product

• ← EarlierCVE-2022-1679May 16, 2022 · A use-after-free flaw was found in the Linux kernel’s Atheros wireless adapter driver in the way a user forces the ath9k_htc_wait_for_target
  31Monitor
• ← EarlierCVE-2022-1116May 17, 2022 · Integer Overflow or Wraparound vulnerability in io_uring of Linux Kernel allows local attacker to cause memory corruption and escalate privi
  31Monitor
• Later →CVE-2022-1734May 18, 2022 · A flaw in Linux Kernel found in nfcmrvl_nci_unregister_dev() in drivers/nfc/nfcmrvl/main.c can lead to use after free both read or write whe
  28Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.