CVE-2024-49964

The CVE-2024-49964 issue affects the Linux kernel’s hugetlb path: memfd_pin_folios + unpin_folios could fail to restore free_huge_pages for pages not faulted in due to folio refcounts not reaching zero. The root cause was that folio_ref_unfreeze/folio_try_get/hugetlb_add_to_page_cache interaction...

CVE-2024-49940 l2tp: prevent possible tunnel refcount underflow

In the Linux kernel, the following vulnerability has been resolved: l2tp: prevent possible tunnel refcount underflow When a session is created, it sets a backpointer to its tunnel. When the session refcount drops to 0, l2tpsessionfree drops the tunnel refcount if session-tunnel is non-NULL...

CVE-2024-49940 l2tp: prevent possible tunnel refcount underflow

In the Linux kernel, the following vulnerability has been resolved: l2tp: prevent possible tunnel refcount underflow When a session is created, it sets a backpointer to its tunnel. When the session refcount drops to 0, l2tpsessionfree drops the tunnel refcount if session-tunnel is non-NULL...

CVE-2024-49940

CVE-2024-49940 (Linux kernel) affects the l2tp code path and describes a tunnel refcount underflow window during session creation and tunnel refcount handling. Root cause details: a backpointer from a session to its tunnel is set in l2tp_session_create before the tunnel refcount is incremented by...

CVE-2024-49940 l2tp: prevent possible tunnel refcount underflow

In the Linux kernel, the following vulnerability has been resolved: l2tp: prevent possible tunnel refcount underflow When a session is created, it sets a backpointer to its tunnel. When the session refcount drops to 0, l2tpsessionfree drops the tunnel refcount if session-tunnel is non-NULL...

UBUNTU-CVE-2024-49852

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: libefc: Fix potential use after free in efcnportvportdel The krefput function will call nport-release if the refcount drops to zero. The nport-release release function is efcnportfree which frees "nport". But then we...

CVE-2024-49940: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: l2tp: prevent possible tunnel refcount underflow When a session is created, it sets a backpointer to its tunnel. When the session refcount drops to 0, l2tpsessionfree drops the tunnel refcount if session-tunnel is non-NULL...

CVE-2022-49011: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp fix pci device refcount leak in nv1aramnew As comment of pcigetdomainbusandslot says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling...

CVE-2022-49002: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2024-49964: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix memfdpinfolios freehugepages leak memfdpinfolios followed by unpinfolios fails to restore freehugepages if the pages were not already faulted in, because the folio refcount for pages created by memfdallocfolio nev...

CVE-2024-50021: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ice: Fix improper handling of refcount in icedpllinitrclkpins This patch addresses a reference count handling issue in the icedpllinitrclkpins function. The function calls icedpllgetpins, which increments the reference count of t...

CVE-2022-48965: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: gpio/rockchip: fix refcount leak in rockchipgpiolibregister The node returned by ofgetparent with refcount incremented, ofnodeput needs be called when finish using it. So add it in the end of ofpinctrlget...

CVE-2024-50043: Use After Free

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix possible badness in FREESTATEID When multiple FREESTATEIDs are sent for the same delegation stateid, it can lead to a possible either use-after-free or counter refcount underflow errors. In nfsd4freestateid under the...

CVE-2022-49000: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in hasexternalpci foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

kernel: netfilter: nft_flow_offload: reset dst in route object after setting up flow

A flaw was found in the Linux kernel's Netfilter subsystem. When configuring flow offloading, ownership of a destination route object is transferred without properly clearing its reference in the original route structure. If the flow offload setup subsequently fails, the error-handling path...

CLSA-2024-1728935304 kernel: Fix of 12 CVEs

xfs: don't walk off the end of a directory data block CVE-2024-41013 - net/sched: clsu32: fix netns refcount changes in u32change CVE-2022-29581 - net/packet: fix slab-out-of-bounds access in packetrecvmsg CVE-2022-20368 - openvswitch: fix OOB access in reservesfasize CVE-2022-2639 - net: sched:...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-48901: btrfs: do not start relocation until in progress drops are done bsc1229607. CVE-2022-48911: kabi: add nfqueuegetrefs for kabi compliance. bsc1229633...

SUSE-SU-2024:3569-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-48901: btrfs: do not start relocation until in progress drops are done bsc1229607. - CVE-2022-48911: kabi: add nfqueuegetrefs for kabi compliance. bsc122963...

PT-2024-33884

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue arises when multiple FREE STATEIDs are sent for the same delegation stateid, potentially leading to use-after-free or counter refcount underflow errors. This occurs because t...

AZL-49840 CVE-2024-46855 affecting package kernel for versions less than 6.6.56.1-5

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsocket: fix sk refcount leaks We must put 'sk' reference before returning...