CVE-2023-53189

In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fix a potential refcount underflow for idev Now in addrconfmodrstimer, reference idev depends on whether rstimer is not pending. Then modify rstimer timeout. There is a time gap in 1, during which if the pending...

kernel: tipc: Fix use-after-free in tipc_conn_close()

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantle. 0 tipctopsrvstop iterates tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn. The problem is th...

CVE-2025-38709 loop: Avoid updating block size under exclusive owner

In the Linux kernel, the following vulnerability has been resolved: loop: Avoid updating block size under exclusive owner Syzbot came up with a reproducer where a loop device block size is changed underneath a mounted filesystem. This causes a mismatch between the block device block size and the...

kernel: tipc: Fix use-after-free in tipc_conn_close()

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantle. 0 tipctopsrvstop iterates tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn. The problem is th...

kernel: tipc: Fix use-after-free in tipc_conn_close()

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantle. 0 tipctopsrvstop iterates tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn. The problem is th...

kernel: net/ipv6: release expired exception dst cached in socket

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: release expired exception dst cached in socket Dst objects get leaked in ip6negativeadvice when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that must ...

CVE-2025-38389 drm/i915/gt: Fix timeline left held on VMA alloc error

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix timeline left held on VMA alloc error The following error has been reported sporadically by CI when a test unbinds the i915 driver on a ring submission platform: 239.330153 ------------ cut here ------------...

PT-2025-27955

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the handling of /proc/net/atm/lec. The issue arises from the lack of safety against dev lec changes, specifically due ...

CVE-2012-1361

Cisco IOS 15.1 and 15.2, when the Multicast Music-on-Hold MMoH feature of Cisco Unified Communications Manager CUCM is enabled, allows remote attackers to obtain sensitive crosstalk information by listening during a PSTN call, aka Bug ID CSCtx77750...

SUSE CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

OESA-2025-1286 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when read i/o returned 0 except for -EAGAIN and -EIOCBQUEUED return. This can lead to a potential...

SUSE CVE-2022-49390

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

UBUNTU-CVE-2022-49390

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

netfilter: bpf: must hold reference on net namespace

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SUSE CVE-2024-56644

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: release expired exception dst cached in socket Dst objects get leaked in ip6negativeadvice when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that must ...

SUSE CVE-2024-56743

In the Linux kernel, the following vulnerability has been resolved: nfscommon: must not hold RCU while calling nfsdfileputlocal Move holding the RCU from nfstonfsdfileputlocal to nfstonfsdnetput. It is the call to nfsto-nfsdservput that requires the RCU anyway the puts for nfsdfile and netns were...

UBUNTU-CVE-2024-56713

In the Linux kernel, the following vulnerability has been resolved: net: netdevsim: fix nsimppholdwrite nsimppholdwrite has two problems: 1 It may return with rtnl held, as found by syzbot. 2 Its return value does not propagate an error if any...

CVE-2024-56718 net/smc: protect link down work from execute after lgr freed

In the Linux kernel, the following vulnerability has been resolved: net/smc: protect link down work from execute after lgr freed link down work may be scheduled before lgr freed but execute after lgr freed, which may result in crash. So it is need to hold a reference before shedule link down work...

CVE-2024-56713 net: netdevsim: fix nsim_pp_hold_write()

In the Linux kernel, the following vulnerability has been resolved: net: netdevsim: fix nsimppholdwrite nsimppholdwrite has two problems: 1 It may return with rtnl held, as found by syzbot. 2 Its return value does not propagate an error if any...

PT-2024-37025 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the nsim pp hold write function in the Linux kernel's netdevsim module. This function has two problems: 1 It may return with rtnl held, as found by syzbot. 2 It...