19,053 results · Feed
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Unscored —
xtensa: simdisk: add input size check in proc_write_simdisk
In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in proc_write_simdisk A malicious user could pass an arbitrarily bad value to memdup_user_nul(), potentially causing kernel crash. This follows the same …
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Unscored —
drm/amdkfd: Fix kfd process ref leaking when userptr unmapping
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix kfd process ref leaking when userptr unmapping kfd_lookup_process_by_pid hold the kfd process reference to ensure it doesn't get destroyed while sending the segfault event to …
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Unscored —
Revert "ipmi: fix msg stack when IPMI is disconnected"
In the Linux kernel, the following vulnerability has been resolved: Revert "ipmi: fix msg stack when IPMI is disconnected" This reverts commit c608966f3f9c2dca596967501d00753282b395fc. This patch has a subtle bug that can cause the IPMI driver to go into an i…
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Unscored —
net: usb: lan78xx: Fix lost EEPROM read timeout error(-ETIMEDOUT) in lan78xx_read_raw_eeprom
In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fix lost EEPROM read timeout error(-ETIMEDOUT) in lan78xx_read_raw_eeprom Syzbot reported read of uninitialized variable BUG with following call stack. lan78xx 8-1:1.0 (unn…
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High 7.8
ext4: guard against EA inode refcount underflow in xattr update
In the Linux kernel, the following vulnerability has been resolved: ext4: guard against EA inode refcount underflow in xattr update syzkaller found a path where ext4_xattr_inode_update_ref() reads an EA inode refcount that is already <= 0 and then applies ref…
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Unscored —
pwm: berlin: Fix wrong register in suspend/resume
In the Linux kernel, the following vulnerability has been resolved: pwm: berlin: Fix wrong register in suspend/resume The 'enable' register should be BERLIN_PWM_EN rather than BERLIN_PWM_ENABLE, otherwise, the driver accesses wrong address, there will be cpu …
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High 7.5
net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()
In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce() If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0 and sctp_ulpevent_make_authkey() returns 0, then …
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High 8.1
tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request().
In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request(). syzbot reported the splat below in tcp_conn_request(). [0] If a listener is close()d while a TFO socket is being processed in tc…
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Unscored —
KVM: arm64: Fix debug checking for np-guests using huge mappings
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix debug checking for np-guests using huge mappings When running with transparent huge pages and CONFIG_NVHE_EL2_DEBUG then the debug checking in assert_host_shared_guest() fails…
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Unscored —
ice: ice_adapter: release xa entry on adapter allocation failure
In the Linux kernel, the following vulnerability has been resolved: ice: ice_adapter: release xa entry on adapter allocation failure When ice_adapter_new() fails, the reserved XArray entry created by xa_insert() is not released. This causes subsequent inserti…
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High 7.5
bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6}
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6} Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT …
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High 7.8
crypto: skcipher - Fix reqsize handling
In the Linux kernel, the following vulnerability has been resolved: crypto: skcipher - Fix reqsize handling Commit afddce13ce81d ("crypto: api - Add reqsize to crypto_alg") introduced cra_reqsize field in crypto_alg struct to replace type specific reqsize fie…
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Unscored —
mailbox: zynqmp-ipi: Fix out-of-bounds access in mailbox cleanup loop
In the Linux kernel, the following vulnerability has been resolved: mailbox: zynqmp-ipi: Fix out-of-bounds access in mailbox cleanup loop The cleanup loop was starting at the wrong array index, causing out-of-bounds access. Start the loop at the correct index…
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Unscored —
x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP
In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM a…
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Unscored —
ext4: verify orphan file size is not too big
In the Linux kernel, the following vulnerability has been resolved: ext4: verify orphan file size is not too big In principle orphan file can be arbitrarily large. However orphan replay needs to traverse it all and we also pin all its buffers in memory. Thus …
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Unscored —
pid: Add a judgment for ns null in pid_nr_ns
In the Linux kernel, the following vulnerability has been resolved: pid: Add a judgment for ns null in pid_nr_ns __task_pid_nr_ns ns = task_active_pid_ns(current); pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns); if (pid && ns->level <= pid->level) …
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Unscored —
idpf: cleanup remaining SKBs in PTP flows
In the Linux kernel, the following vulnerability has been resolved: idpf: cleanup remaining SKBs in PTP flows When the driver requests Tx timestamp value, one of the first steps is to clone SKB using skb_get. It increases the reference counter for that SKB to…
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Unscored —
accel/qaic: Fix bootlog initialization ordering
In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix bootlog initialization ordering As soon as we queue MHI buffers to receive the bootlog from the device, we could be receiving data. Therefore all the resources needed to proce…
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Critical 9.8
tls: wait for pending async decryptions if tls_strp_msg_hold fails
In the Linux kernel, the following vulnerability has been resolved: tls: wait for pending async decryptions if tls_strp_msg_hold fails Async decryption calls tls_strp_msg_hold to create a clone of the input skb to hold references to the memory it uses. If we …
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High 7.8
x86/mm: Fix SMP ordering in switch_mm_irqs_off()
In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix SMP ordering in switch_mm_irqs_off() Stephen noted that it is possible to not have an smp_mb() between the loaded_mm store and the tlb_gen load in switch_mm(), meaning the orderin…
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High 7.8
net/ip6_tunnel: Prevent perpetual tunnel growth
In the Linux kernel, the following vulnerability has been resolved: net/ip6_tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev->needed_headroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5a…
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High 7.8
accel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()
In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Treat remaining == 0 as error in find_and_map_user_pages() Currently, if find_and_map_user_pages() takes a DMA xfer request from the user with a length field set to 0, or in a rar…
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High 7.8
net: use dst_dev_rcu() in sk_setup_caps()
In the Linux kernel, the following vulnerability has been resolved: net: use dst_dev_rcu() in sk_setup_caps() Use RCU to protect accesses to dst->dev from sk_setup_caps() and sk_dst_gso_max_size(). Also use dst_dev_rcu() in ip6_dst_mtu_maybe_forward(), and ip…
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High 7.5
nvmet-fc: move lsop put work to nvmet_fc_ls_req_op
In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: move lsop put work to nvmet_fc_ls_req_op It’s possible for more than one async command to be in flight from __nvmet_fc_send_ls_req. For each command, a tgtport reference is taken. I…
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High 7.8
bpf: Reject negative offsets for ALU ops
In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative offsets for ALU ops When verifying BPF programs, the check_alu_op() function validates instructions with ALU operations. The 'offset' field in these instructions is a sig…
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High 8.1
smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().
In the Linux kernel, the following vulnerability has been resolved: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match(). smc_clc_prfx_match() is called from smc_listen_work() and not under RCU nor RTNL. Using sk_dst_get(sk)->dev could trigger UA…
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High 7.8
drm/xe/guc: Check GuC running state before deregistering exec queue
In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Check GuC running state before deregistering exec queue In normal operation, a registered exec queue is disabled and deregistered through the GuC, and freed only after the GuC con…
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High 7.8
ext4: detect invalid INLINE_DATA + EXTENTS flag combination
In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINE_DATA + EXTENTS flag combination syzbot reported a BUG_ON in ext4_es_cache_extent() when opening a verity file on a corrupted ext4 filesystem mounted without a jour…
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Unscored —
sched/deadline: Stop dl_server before CPU goes offline
In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Stop dl_server before CPU goes offline IBM CI tool reported kernel warning[1] when running a CPU removal operation through drmgr[2]. i.e "drmgr -c cpu -r -q 1" WARNING: CPU: 0…
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Unscored —
usbnet: Fix using smp_processor_id() in preemptible code warnings
In the Linux kernel, the following vulnerability has been resolved: usbnet: Fix using smp_processor_id() in preemptible code warnings Syzbot reported the following warning: BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/2879 caller is us…
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High 7.8
media: nxp: imx8-isi: m2m: Fix streaming cleanup on release
In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: m2m: Fix streaming cleanup on release If streamon/streamoff calls are imbalanced, such as when exiting an application with Ctrl+C when streaming, the m2m usage_count wil…
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Unscored —
ASoC: amd/sdw_utils: avoid NULL deref when devm_kasprintf() fails
In the Linux kernel, the following vulnerability has been resolved: ASoC: amd/sdw_utils: avoid NULL deref when devm_kasprintf() fails devm_kasprintf() may return NULL on memory allocation failure, but the debug message prints cpus->dai_name before checking it…
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Unscored —
mailbox: zynqmp-ipi: Fix SGI cleanup on unbind
In the Linux kernel, the following vulnerability has been resolved: mailbox: zynqmp-ipi: Fix SGI cleanup on unbind The driver incorrectly determines SGI vs SPI interrupts by checking IRQ number < 16, which fails with dynamic IRQ allocation. During unbind, thi…
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Unscored —
xen/events: Return -EEXIST for bound VIRQs
In the Linux kernel, the following vulnerability has been resolved: xen/events: Return -EEXIST for bound VIRQs Change find_virq() to return -EEXIST when a VIRQ is bound to a different CPU than the one passed in. With that, remove the BUG_ON() from bind_virq_t…
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High 7.8
xsk: Harden userspace-supplied xdp_desc validation
In the Linux kernel, the following vulnerability has been resolved: xsk: Harden userspace-supplied xdp_desc validation Turned out certain clearly invalid values passed in xdp_desc from userspace can pass xp_{,un}aligned_validate_desc() and then lead to UBs or…
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Unscored —
EDAC/i10nm: Skip DIMM enumeration on a disabled memory controller
In the Linux kernel, the following vulnerability has been resolved: EDAC/i10nm: Skip DIMM enumeration on a disabled memory controller When loading the i10nm_edac driver on some Intel Granite Rapids servers, a call trace may appear as follows: UBSAN: shift-out…
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High 8.1
ipv6: use RCU in ip6_output()
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_output() Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF. We can remove rcu_read_lock()/rcu_read_unlock() pairs from ip6_finish_output2().
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Unscored —
mm: hugetlb: avoid soft lockup when mprotect to large memory area
In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to large memory area When calling mprotect() to a large hugetlb memory area in our customer's workload (~300GB hugetlb memory), soft lockup was ob…
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Unscored —
ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping
In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver only shows an error message but leaves as is. This m…
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High 7.3
iommu/vt-d: debugfs: Fix legacy mode page table dump logic
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: debugfs: Fix legacy mode page table dump logic In legacy mode, SSPTPTR is ignored if TT is not 00b or 01b. SSPTPTR maybe uninitialized or zero in that case and may cause oops like…