AZL-27676 CVE-2023-3609 affecting package kernel for versions less than 5.15.122.1-2

A use-after-free vulnerability in the Linux kernel's net/sched: clsu32 component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, u32setparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker...

Design/Logic Flaw

A use-after-free vulnerability in the Linux kernel's net/sched: clsfw component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker ca...

CVE-2023-3776

A use-after-free vulnerability in the Linux kernel's net/sched: clsfw component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker ca...

Design/Logic Flaw

An out-of-bounds write vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. The qfqchangeagg function in net/sched/schqfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We...

CVE-2023-3609

A use-after-free vulnerability in the Linux kernel's net/sched: clsu32 component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, u32setparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker...

UBUNTU-CVE-2023-3776

A use-after-free vulnerability in the Linux kernel's net/sched: clsfw component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker ca...

UBUNTU-CVE-2023-3611

An out-of-bounds write vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. The qfqchangeagg function in net/sched/schqfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We...

CVE-2023-3776

CVE-2023-3776: A use-after-free in Linux kernel net/sched cls_fw can lead to local privilege escalation if an attacker controls the reference counter in tcf_bind_filter and frees the object by setting the counter to zero. The issue stems from fw_set_parms() returning after reference counter adjus...

CVE-2023-3776 Use-after-free in Linux kernel's net/sched: cls_fw component

A use-after-free vulnerability in the Linux kernel's net/sched: clsfw component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker ca...

CVE-2023-3611 Out-of-bounds write in Linux kernel's net/sched: sch_qfq component

An out-of-bounds write vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. The qfqchangeagg function in net/sched/schqfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We...

CVE-2023-3611

An out-of-bounds write vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. The qfqchangeagg function in net/sched/schqfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We...

CVE-2023-3611

Consolidated details confirm CVE-2023-3611 affects the Linux kernel’s net/sched sch_qfq code. The vulnerability is an out-of-bounds write in qfq_change_agg where lmax is updated based on packet sizes without proper bounds checks, enabling local privilege escalation. The issue is triggered in sch_...

CVE-2023-3611 Out-of-bounds write in Linux kernel's net/sched: sch_qfq component

An out-of-bounds write vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. The qfqchangeagg function in net/sched/schqfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We...

CVE-2023-3609 Use-after-free in Linux kernel's net/sched: cls_u32 component

A use-after-free vulnerability in the Linux kernel's net/sched: clsu32 component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, u32setparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker...

CVE-2023-3609

A use-after-free vulnerability in the Linux kernel's net/sched: clsu32 component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, u32setparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker...

CVE-2023-3609

CVE-2023-3609 is a Linux kernel use-after-free in the net/sched: cls_u32 classifier. The flaw arises when tcf_change_indev() fails; u32_set_parms() returns after updating the reference counter in tcf_bind_filter(), and an attacker who can manipulate the reference counter to zero can cause the ref...

PT-2023-3973 · Linux +9 · Linux Kernel +9

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an out-of-bounds write vulnerability in the Linux kernel's net/sched: sch qfq component. This vulnerability can be exploited to achieve local privilege...

kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation

A use-after-free flaw was found in route4change in the net/sched/clsroute.c filter implementation in the Linux kernel. This flaw allows a local user to crash the system and possibly lead to a local privilege escalation problem...

PT-2023-3974 · Linux +10 · Linux Kernel +10

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free vulnerability in the Linux kernel's net/sched: cls fw component can be exploited to achieve local privilege escalation. If tcf change indev fails, fw set parms will...

The vulnerability of the fl_set_geneve_opt() function in the net/sched/cls_flower.c module, part of the network scheduling subsystem in the Linux operating system’s kernel, allows a malicious actor to cause service failures or increase their privileges.

The vulnerability of the flsetgeneveopt function in the net/sched/clsflower.c module, within the net/sched scheduling subsystem of the Linux operating system’s kernel, is related to incorrect calculations of buffer boundaries during writing operations. Exploiting this vulnerability may allow a...