kernel: refcount leak in ctnetlink_create_conntrack()

A memory leak problem was found in ctnetlinkcreateconntrack in net/netfilter/nfconntracknetlink.c in the Linux Kernel. This issue may allow a local attacker with CAPNETADMIN privileges to cause a denial of service DoS attack due to a refcount overflow...

kernel: refcount leak in ctnetlink_create_conntrack()

A memory leak problem was found in ctnetlinkcreateconntrack in net/netfilter/nfconntracknetlink.c in the Linux Kernel. This issue may allow a local attacker with CAPNETADMIN privileges to cause a denial of service DoS attack due to a refcount overflow...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a...

SUSE CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

kernel: refcount leak in ctnetlink_create_conntrack()

A memory leak problem was found in ctnetlinkcreateconntrack in net/netfilter/nfconntracknetlink.c in the Linux Kernel. This issue may allow a local attacker with CAPNETADMIN privileges to cause a denial of service DoS attack due to a refcount overflow...

CVE-2021-47118

In the Linux kernel, the following vulnerability has been resolved: pid: take a reference when initializing cadpid During boot, kernelinitfreeable initializes cadpid to the init task's struct pid. Later on, we may change cadpid via a sysctl, and when this happens procdocadpid will increment the...

CVE-2021-47125

A vulnerability was found in the Linux kernel. The schhtb component caused reference count leaks due to inconsistent handling of NULL pointers, leading to mismatched queue pointers. Mitigation Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to...

CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

UBUNTU-CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

CVE-2021-47125 sch_htb: fix refcount leak in htb_parent_to_leaf_offload

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

CVE-2021-47125

CVE-2021-47125 concerns a Linux kernel local vulnerability due to a refcount leak in the HTB offload path. The root cause was an incorrect NULL handling around qdisc_refcount_inc in htb_parent_to_leaf_offload, which could leak references if new_q was NULL. The fix adds a NULL pointer check to gua...

CVE-2021-47125 sch_htb: fix refcount leak in htb_parent_to_leaf_offload

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47124 io_uring: fix link timeout refs

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...