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CVE-2022-50318 — perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()

Affected: Linux

In the Linux kernel, the following vulnerability has been resolved:

perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()

pci_get_device() will increase the reference count for the returned 'dev'. We need to call pci_dev_put() to decrease the reference count. Since 'dev' is only used in pci_read_config_dword(), let's add pci_dev_put() right after it.

RHSA-2023:2458 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch kernel: ext4: kernel bug in ext4_write_inline_data_end() kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory kernel: hwmon: (mlxreg-fan) Return non-zero value when fan current state is enforced from sysfs kernel: mlxsw: thermal: Fix out-of-bounds memory accesses kernel: mlxsw: spectrum: Protect driver from buggy firmware kernel: net: stmmac: fix tc flower deletion for VLAN priority Rx steering kernel: can: etas_es58x: es58x_rx_err_msg(): fix memory leak in error path kernel: possible race condition in drivers/tty/tty_buffers.c kernel: KVM: NULL pointer dereference in kvm_mmu_invpcid_gva kernel: use-after-free in free_pipe_info() could lead to privilege escalation kernel: KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks kernel: netfilter: nf_conntrack_irc message handling issue kernel: race condition in xfrm_probe_algs can lead to OOB read/write kernel: out-of-bounds read in fib_nh_match of the file net/ipv4/fib_semantics.c kernel: race condition in hugetlb_no_page() in mm/hugetlb.c kernel: memory leak in ipv6_renew_options() kernel: data races around icsk->icsk_af_ops in do_ipv6_setsockopt kernel: data races around sk->sk_prot kernel: memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry kernel: use-after-free after failed devlink relo…

RHSA-2023:4789 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

kernel: when setting font with malicious data by ioctl PIO_FONT, kernel will write memory out of bounds kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c kernel: perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox() kernel: perf/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map() kernel: save/restore speculative MSRs during S3 suspend/resume kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter Kernel: bluetooth: Unauthorized management command execution kernel: OOB access in the Linux kernel's XFS subsystem kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests hw: amd: Cross-Process Information Leak kernel: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() kernel: buffer overflow in ceph file net/ceph/messenger_v2.c