CWE-911 · 15 records
Improper Update of Reference Count
CVEs in this class
15 records
| Action | CVE | Vulnerability | Severity | KEV | EPSS | Published |
|---|---|---|---|---|---|---|
37Monitor | CVE-2026-46316Proof of concept | KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entrylinux · linux kernel · CWE-911 | Critical9.3 | — | 0.2% | Jun 9, 2026 |
35Monitor | CVE-2026-49419No exploit | Jail reference count underflowfreebsd · freebsd · CWE-911 | High8.8 | — | 0.5% | Aug 19, 2026 |
32Monitor | CVE-2026-46099No exploit | net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnelslinux · linux kernel · CWE-911 | High8.1 | — | 0.4% | May 27, 2026 |
31Monitor | CVE-2022-1678No exploit | An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns llinux · linux kernel · CWE-911 | High7.5 | — | 2.9% | May 25, 2022 |
31Monitor | CVE-2022-37012No exploit | This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C+unified-automation · opc ua c\+\+ demo server · CWE-911 | High7.5 | — | 1.8% | Mar 29, 2023 |
31Monitor | CVE-2022-29581Proof of concept | Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root.linux · linux kernel · CWE-911 | High7.8 | — | 0.9% | May 17, 2022 |
31Monitor | CVE-2023-5633No exploit | Kernel: vmwgfx: reference count issue leads to use-after-free in surface handlinglinux · linux kernel · CWE-911 | High7.8 | — | 0.3% | Oct 23, 2023 |
31Monitor | CVE-2024-46972No exploit | GPU DDK - Security: Reference count overflow in pvr_sync_rollback_export_fenceimagination technologies · graphics ddk · CWE-911 | High7.8 | — | 0.2% | Dec 28, 2024 |
30Monitor | CVE-2022-22195No exploit | Junos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crashjuniper · junos os evolved · CWE-911 | High7.5 | — | 1.1% | Apr 14, 2022 |
30Monitor | CVE-2023-22394No exploit | Junos OS: SRX Series and MX Series: Memory leak due to receipt of specially crafted SIP callsjuniper · junos · CWE-911 | High7.5 | — | 0.6% | Jan 12, 2023 |
30Monitor | CVE-2026-77587No exploit | Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set wtorproject · tor · CWE-911 | High7.5 | — | 0.4% | Aug 20, 2026 |
28Monitor | CVE-2021-47327No exploit | iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get failslinux · linux kernel · CWE-911 | High7.1 | — | 0.3% | May 21, 2024 |
22Monitor | CVE-2020-11935No exploit | aufs: improperly managed inode reference counts in the vfsub_dentry_open() methodcanonical · ubuntu linux · CWE-911 | Medium5.5 | — | 0.2% | Apr 6, 2023 |
17Monitor | CVE-2023-2019No exploit | A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events.linux · linux kernel · CWE-911 | Medium4.4 | — | 0.3% | Apr 24, 2023 |
17Monitor | CVE-2024-45783No exploit | Grub2: fs/hfs+: refcount can be decremented twicered hat · red hat enterprise linux 9 · CWE-911 | Medium4.4 | — | 0.2% | Feb 18, 2025 |
- CVE-2026-4631637Monitor
KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry
CriticalCVSS 9.3Proof of conceptEPSS 0%linux · linux kernelJun 9, 2026
- CVE-2026-4941935Monitor
Jail reference count underflow
HighCVSS 8.8No exploitEPSS 0%freebsd · freebsdAug 19, 2026
- CVE-2026-4609932Monitor
net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels
HighCVSS 8.1No exploitEPSS 0%linux · linux kernelMay 27, 2026
- CVE-2022-167831Monitor
An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns l
HighCVSS 7.5No exploitEPSS 3%linux · linux kernelMay 25, 2022
- CVE-2022-3701231Monitor
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C+
HighCVSS 7.5No exploitEPSS 2%unified-automation · opc ua c\+\+ demo serverMar 29, 2023
- CVE-2022-2958131Monitor
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root.
HighCVSS 7.8Proof of conceptEPSS 1%linux · linux kernelMay 17, 2022
- CVE-2023-563331Monitor
Kernel: vmwgfx: reference count issue leads to use-after-free in surface handling
HighCVSS 7.8No exploitEPSS 0%linux · linux kernelOct 23, 2023
- CVE-2024-4697231Monitor
GPU DDK - Security: Reference count overflow in pvr_sync_rollback_export_fence
HighCVSS 7.8No exploitEPSS 0%imagination technologies · graphics ddkDec 28, 2024
- CVE-2022-2219530Monitor
Junos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crash
HighCVSS 7.5No exploitEPSS 1%juniper · junos os evolvedApr 14, 2022
- CVE-2023-2239430Monitor
Junos OS: SRX Series and MX Series: Memory leak due to receipt of specially crafted SIP calls
HighCVSS 7.5No exploitEPSS 1%juniper · junosJan 12, 2023
- CVE-2026-7758730Monitor
Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set w
HighCVSS 7.5No exploitEPSS 0%torproject · torAug 20, 2026
- CVE-2021-4732728Monitor
iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails
HighCVSS 7.1No exploitEPSS 0%linux · linux kernelMay 21, 2024
- CVE-2020-1193522Monitor
aufs: improperly managed inode reference counts in the vfsub_dentry_open() method
MediumCVSS 5.5No exploitEPSS 0%canonical · ubuntu linuxApr 6, 2023
- CVE-2023-201917Monitor
A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events.
MediumCVSS 4.4No exploitEPSS 0%linux · linux kernelApr 24, 2023
- CVE-2024-4578317Monitor
Grub2: fs/hfs+: refcount can be decremented twice
MediumCVSS 4.4No exploitEPSS 0%red hat · red hat enterprise linux 9Feb 18, 2025