CVE-2026-74289

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

CVE-2026-74289

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

UBUNTU-CVE-2026-74289

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

UBUNTU-CVE-2026-72421

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't ignore error route in local/main tables. When CONFIGIPMULTIPLETABLES is enabled but no rule is added, fiblookup performs route lookup directly on two tables. Since the first lookup does not properly bail out, the...

EUVD-2026-59436

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

CVE-2026-74289 ipv4: fib: Don't dump dying fib_info in fib_leaf_notify().

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

CVE-2026-74289

CVE-2026-74289 (Linux kernel) : A use-after-free bug occurs when dumping IPv4 fib_info under RCUs because fib_info_hold()/refcount_inc() are called while lifetime can’t be guaranteed. Affected: nsim_fib4_prepare_event(), mlxsw_sp_router_fib4_event(), rocker_router_fib_event(), and related fib_tri...

Linux Distros Unpatched Vulnerability : CVE-2026-74289

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call...

CVE-2022-48999 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

In the Linux kernel, the following vulnerability has been resolved: ipv4: Handle attempt to delete multipath route when fibinfo contains an nh reference Gwangun Jung reported a slab-out-of-bounds access in fibnhmatch: fibnhmatch+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fibsemantics.c:961...

CVE-2022-48999 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

In the Linux kernel, the following vulnerability has been resolved: ipv4: Handle attempt to delete multipath route when fibinfo contains an nh reference Gwangun Jung reported a slab-out-of-bounds access in fibnhmatch: fibnhmatch+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fibsemantics.c:961...

CVE-2022-48999 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

In the Linux kernel, the following vulnerability has been resolved: ipv4: Handle attempt to delete multipath route when fibinfo contains an nh reference Gwangun Jung reported a slab-out-of-bounds access in fibnhmatch: fibnhmatch+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fibsemantics.c:961...

GSD-2023-1000294 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

ipv4: Handle attempt to delete multipath route when fibinfo contains an nh reference This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.226 by...

GSD-2023-1000234 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

ipv4: Handle attempt to delete multipath route when fibinfo contains an nh reference This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.158 b...

GSD-2023-1000160 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

ipv4: Handle attempt to delete multipath route when fibinfo contains an nh reference This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.82 by...

GSD-2023-1000065 ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

ipv4: Handle attempt to delete multipath route when fibinfo contains an nh reference This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.12 by...

CVE-2022-3435

An out-of-bounds memory read flaw was found in the Linux kernel. The IPv4 Handler component may delete IPv4 routes containing a multipath spec while the fibinfo is using a nexthop object. This issue allows a local attacker access to unauthorized data. Mitigation No known mitigation available...