Weakness (CWE)
CWE-911: Improper Update of Reference Count
The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.
Source: MITRE CWE-911
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High 8.8
Jail reference count underflow
When the JAIL_AT_DESC flag is specified, kern_jail_set() and kern_jail_get() released the reference to the caller's current prison before looking up the jail descriptor. If the descriptor lookup failed, error-handling paths released the same reference a secon…
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High 7.8CVE-2026-52943 Public exploit
net: skbuff: fix missing zerocopy reference in pskb_carve helpers
In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskb_carve helpers pskb_carve_inside_header() and pskb_carve_inside_nonlinear() both copy the old skb_shared_info header into a new buffer via m…
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High 8.1
net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels seg6_input_core() and rpl_input() call ip6_route_input() which sets a NOREF dst on the skb, then pass it to dst_cache_set_ip6() invoking…
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High 7.8
GPU DDK - Security: Reference count overflow in pvr_sync_rollback_export_fence
Software installed and run as a non-privileged user may conduct improper GPU system calls to trigger use-after-free kernel exceptions.
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High 7.1
iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails arm_smmu_rpm_get() invokes pm_runtime_get_sync(), which increases the refcount of the "smmu" even though the retu…
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High 7.8
Kernel: vmwgfx: reference count issue leads to use-after-free in surface handling
The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration …
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High 7.5
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified…
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High 7.5
Junos OS: SRX Series and MX Series: Memory leak due to receipt of specially crafted SIP calls
An Improper Handling of Unexpected Data Type vulnerability in the handling of SIP calls in Juniper Networks Junos OS on SRX Series and MX Series platforms allows an attacker to cause a memory leak leading to Denial of Services (DoS). This issue occurs on all …
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High 7.8CVE-2022-29581 Public exploit
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege …
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High 7.5
Junos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crash
An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Ne…