AlmaLinux 9 : kernel (ALSA-2025:15740)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2025:15740 advisory. kernel: ipv6: mcast: Delay put pmc-idev in mlddeldelrec CVE-2025-38550 Tenable has extracted the preceding description block directly from the AlmaLinux security...

SUSE 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...

SUSE CVE-2023-53343

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ex...

CVE-2023-53343

CVE-2023-53343: Linux kernel vulnerability where icmp6_dev() dereferences ip6_null_entry->rt6i_idev, potentially enabling NULL pointer dereference when processing IPv6 Extension Headers (RPL/SRv6). Impact is local (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) with available mitigation by upgrading to ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly handling the rt6iidev pointer to ip6nullentry, which could result in a null pointer dereference...

Linux Distros Unpatched Vulnerability : CVE-2023-53189

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6/addrconf: fix a potential refcount underflow for idev Now in addrconfmodrstimer, reference idev depends on whether rstimer is not pending. Then modify...

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...

DEBIAN-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...

UBUNTU-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...

CVE-2023-53189 ipv6/addrconf: fix a potential refcount underflow for idev

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: ipv6: mcast: Delay put pmc->idev in mld_del_delrec()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

CVE-2023-53189: Integer Underflow (Wrap or Wraparound)

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...

SUSE CVE-2025-38550

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

AZL-73584 CVE-2025-38550 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

AZL-66335 CVE-2025-38550 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

CVE-2025-38550 ipv6: mcast: Delay put pmc->idev in mld_del_delrec()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from prematurely releasing a reference to pmc-idev, which could lead to reuse after release...

PT-2025-33597

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains an issue where a reference to pmc-idev is released prematurely in the mld del delrec function. This occurs because pmc-idev is still used in ip6 mc clear src,...

SUSE CVE-2024-47707

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6uncachedlistflushdev Blamed commit accidentally removed a check for rt-rt6iidev being NULL, as spotted by syzbot: Oops: general protection fault, probably for non-canonical address...

kernel: xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()

A vulnerability was found in the Linux kernel's IPv6 handling in the xfrm6getsaddr function, where the issue occurs when ip6dstidev returns NULL, leading to a null pointer dereference and resulting in a general protection fault...