CVE-2022-48961 net: mdio: fix unbalanced fwnode reference count in mdio_device_release()

In the Linux kernel, the following vulnerability has been resolved: net: mdio: fix unbalanced fwnode reference count in mdiodevicerelease There is warning report about ofnode refcount leak while probing mdio device: OF: ERROR: memory leak, expected refcount 1 instead of 2, ofnodeget/ofnodeput...

CVE-2024-50043 nfsd: fix possible badness in FREE_STATEID

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-2024-50043 nfsd: fix possible badness in FREE_STATEID

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-2024-50043

CVE-2024-50043 affects the Linux kernel nfsd component (nfsd4_free_stateid). The issue arises when multiple FREE_STATEIDs are sent for the same delegation stateid; releasing under a dropped client lock allows a subsequent FREE_STATE to reuse the stateid, leading to use-after-free or counter under...

CVE-2024-50021 ice: Fix improper handling of refcount in ice_dpll_init_rclk_pins()

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-2024-50021

Technical details for CVE-2024-50021 are not publicly disclosed in the provided Connected documents. Monitor for updates from vendor/security advisories.

CVE-2024-50021 ice: Fix improper handling of refcount in ice_dpll_init_rclk_pins()

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-2024-50020 ice: Fix improper handling of refcount in ice_sriov_set_msix_vec_count()

In the Linux kernel, the following vulnerability has been resolved: ice: Fix improper handling of refcount in icesriovsetmsixveccount This patch addresses an issue with improper reference count handling in the icesriovsetmsixveccount function. First, the function calls icegetvfbyid, which...

CVE-2024-50020 ice: Fix improper handling of refcount in ice_sriov_set_msix_vec_count()

In the Linux kernel, the following vulnerability has been resolved: ice: Fix improper handling of refcount in icesriovsetmsixveccount This patch addresses an issue with improper reference count handling in the icesriovsetmsixveccount function. First, the function calls icegetvfbyid, which...

CVE-2024-50020

CVE-2024-50020 (Linux kernel) affects the ice driver’s refcount handling in ice_sriov_set_msix_vec_count(). The issue: vf pointer reference counts were leaked if ice_get_vf_by_id() succeeds but ice_get_vf_vsi() fails, or if vf->first_vector_idx

AZL-51372 CVE-2024-49982 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: aoe: fix the potential use-after-free problem in more places For fixing CVE-2023-6270, f98364e92662 "aoe: fix the potential use-after-free problem in aoecmdcfgpkts" makes tx calling devput instead of doing in aoecmdcfgpkts. It...

AZL-52947 CVE-2024-49940 affecting package kernel 6.6.126.1-1

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-2024-49988

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add refcnt to ksmbdconn struct When sending an oplock break request, opinfo-conn is used, But freed -conn can be used on multichannel. This patch add a reference count to the ksmbdconn struct so that it can be freed when i...

CVE-2024-49964 mm/hugetlb: fix memfd_pin_folios free_huge_pages leak

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-2024-49964

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

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...

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...

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...