9,110 results · Feed
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Unscored —
powerpc/pseries: Fix dtl_access_lock to be a rw_semaphore
In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix dtl_access_lock to be a rw_semaphore The dtl_access_lock needs to be a rw_sempahore, a sleeping lock, because the code calls kmalloc() while holding it, which can sleep: …
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Unscored —
media: wl128x: Fix atomicity violation in fmc_send_cmd()
In the Linux kernel, the following vulnerability has been resolved: media: wl128x: Fix atomicity violation in fmc_send_cmd() Atomicity violation occurs when the fmc_send_cmd() function is executed simultaneously with the modification of the fmdev->resp_skb va…
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Medium 5.5
usb: dwc3: gadget: Fix looping of queued SG entries
In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix looping of queued SG entries The dwc3_request->num_queued_sgs is decremented on completion. If a partially completed request is handled, then the dwc3_request->num_queu…
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High 7.8
brd: defer automatic disk creation until module initialization succeeds
In the Linux kernel, the following vulnerability has been resolved: brd: defer automatic disk creation until module initialization succeeds My colleague Wupeng found the following problems during fault injection: BUG: unable to handle page fault for address: …
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High 7.5
bpf: fix recursive lock when verdict program return SK_PASS
In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SK_PASS When the stream_verdict program returns SK_PASS, it places the received skb into its own receive queue, but a recursive lock eventu…
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High 7.8
f2fs: fix to do sanity check on node blkaddr in truncate_node()
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on node blkaddr in truncate_node() syzbot reports a f2fs bug as below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2534! RIP: 0010:f2fs_i…
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Unscored —
mfd: intel_soc_pmic_bxtwc: Use IRQ domain for USB Type-C device
In the Linux kernel, the following vulnerability has been resolved: mfd: intel_soc_pmic_bxtwc: Use IRQ domain for USB Type-C device While design wise the idea of converting the driver to use the hierarchy of the IRQ chips is correct, the implementation has (i…
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Unscored —
crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY Since commit 8f4f68e788c3 ("crypto: pcrypt - Fix hungtask for PADATA_RESET"), the pcrypt encryption and dec…
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Medium 5.5
PCI: endpoint: epf-mhi: Avoid NULL dereference if DT lacks 'mmio'
In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: epf-mhi: Avoid NULL dereference if DT lacks 'mmio' If platform_get_resource_byname() fails and returns NULL because DT lacks an 'mmio' property for the MHI endpoint, dereferenc…
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Medium 5.5
usb: musb: Fix hardware lockup on first Rx endpoint request
In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fix hardware lockup on first Rx endpoint request There is a possibility that a request's callback could be invoked from usb_ep_queue() (call trace below, supplemented with missing …
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High 7.5
sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport
In the Linux kernel, the following vulnerability has been resolved: sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport Since transport->sock has been set to NULL during reset transport, XPRT_SOCK_UPD_TIMEOUT also needs to be cleared. Otherwise, the xs_t…
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Unscored —
ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe Following commit 13f58267cda3 ("ASoC: soc.h: don't create dummy Component via COMP_DUMMY()"), COMP_DUMMY() became an a…
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Unscored —
drm/vc4: hdmi: Avoid hang with debug registers when suspended
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hdmi: Avoid hang with debug registers when suspended Trying to read /sys/kernel/debug/dri/1/hdmi1_regs when the hdmi is disconnected results in a fatal system hang. This is due to th…
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High 7.8
crypto: bcm - add error check in the ahash_hmac_init function
In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example…
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Unscored —
octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c Add error pointer check after calling otx2_mbox_get_rsp().
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High 7.8
powerpc/mm/fault: Fix kfence page fault reporting
In the Linux kernel, the following vulnerability has been resolved: powerpc/mm/fault: Fix kfence page fault reporting copy_from_kernel_nofault() can be called when doing read of /proc/kcore. /proc/kcore can have some unmapped kfence objects which when read vi…
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High 7.8
powerpc/fadump: Move fadump_cma_init to setup_arch() after initmem_init()
In the Linux kernel, the following vulnerability has been resolved: powerpc/fadump: Move fadump_cma_init to setup_arch() after initmem_init() During early init CMA_MIN_ALIGNMENT_BYTES can be PAGE_SIZE, since pageblock_order is still zero and it gets initializ…
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High 7.8
bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors Uprobes always use bpf_prog_run_array_uprobe() under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF …
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High 7.8
blk-cgroup: Fix UAF in blkcg_unpin_online()
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix UAF in blkcg_unpin_online() blkcg_unpin_online() walks up the blkcg hierarchy putting the online pin. To walk up, it uses blkcg_parent(blkcg) but it was calling that after blk…
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Medium 5.5
usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer Considering that in some extreme cases, when u_serial driver is accessed by multiple threads, Threa…
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Medium 5.5
drm/i915: Fix NULL pointer dereference in capture_engine
In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix NULL pointer dereference in capture_engine When the intel_context structure contains NULL, it raises a NULL pointer dereference error in drm_info(). (cherry picked from commit 7…
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High 7.8
bpf, sockmap: Fix race between element replace and close()
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix race between element replace and close() Element replace (with a socket different from the one stored) may race with socket's close() link popping & unlinking. __sock_map_de…
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High 7.8
wifi: nl80211: fix NL80211_ATTR_MLO_LINK_ID off-by-one
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NL80211_ATTR_MLO_LINK_ID off-by-one Since the netlink attribute range validation provides inclusive checking, the *max* of attribute NL80211_ATTR_MLO_LINK_ID should be IEEE…
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High 7.8
acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl
In the Linux kernel, the following vulnerability has been resolved: acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl Fix an issue detected by syzbot with KASAN: BUG: KASAN: vmalloc-out-of-bounds in cmd_to_func drivers/acpi/nfit/ core.c:416 [inline] BUG…
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Medium 5.5
net/mlx5: DR, prevent potential error pointer dereference
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: DR, prevent potential error pointer dereference The dr_domain_add_vport_cap() function generally returns NULL on error but sometimes we want it to return ERR_PTR(-EBUSY) so the call…
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Medium 5.5
net: lapb: increase LAPB_HEADER_LEN
In the Linux kernel, the following vulnerability has been resolved: net: lapb: increase LAPB_HEADER_LEN It is unclear if net/lapb code is supposed to be ready for 8021q. We can at least avoid crashes like the following : skbuff: skb_under_panic: text:ffffffff…
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High 7.8
net: defer final 'struct net' free in netns dismantle
In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_tem…
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Medium 5.5
ALSA: control: Avoid WARN() for symlink errors
In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Avoid WARN() for symlink errors Using WARN() for showing the error of symlink creations don't give more information than telling that something goes wrong, since the usual code…
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Critical 9.8
bnxt_en: Fix aggregation ID mask to prevent oops on 5760X chips
In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Fix aggregation ID mask to prevent oops on 5760X chips The 5760X (P7) chip's HW GRO/LRO interface is very similar to that of the previous generation (5750X or P5). However, the aggre…
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High 7.8
Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating The usage of rcu_read_(un)lock while inside list_for_each_entry_rcu is not safe since for the most part entries fetched this …
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High 8.8
Bluetooth: btmtk: avoid UAF in btmtk_process_coredump
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: avoid UAF in btmtk_process_coredump hci_devcd_append may lead to the release of the skb, so it cannot be accessed once it is called. ========================================…
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High 7.8
drm/xe/reg_sr: Remove register pool
In the Linux kernel, the following vulnerability has been resolved: drm/xe/reg_sr: Remove register pool That pool implementation doesn't really work: if the krealloc happens to move the memory and return another address, the entries in the xarray become inval…
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High 7.1
netfilter: x_tables: fix LED ID check in led_tg_check()
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: fix LED ID check in led_tg_check() Syzbot has reported the following BUG detected by KASAN: BUG: KASAN: slab-out-of-bounds in strlen+0x58/0x70 Read of size 1 at addr ffff…
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High 8.8
can: hi311x: hi3110_can_ist(): fix potential use-after-free
In the Linux kernel, the following vulnerability has been resolved: can: hi311x: hi3110_can_ist(): fix potential use-after-free The commit a22bd630cfff ("can: hi311x: do not report txerr and rxerr during bus-off") removed the reporting of rxerr and txerr even…
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Medium 5.5
net: enetc: Do not configure preemptible TCs if SIs do not support
In the Linux kernel, the following vulnerability has been resolved: net: enetc: Do not configure preemptible TCs if SIs do not support Both ENETC PF and VF drivers share enetc_setup_tc_mqprio() to configure MQPRIO. And enetc_setup_tc_mqprio() calls enetc_chan…
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Medium 5.5
net: hsr: avoid potential out-of-bound access in fill_frame_info()
In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fill_frame_info() syzbot is able to feed a packet with 14 bytes, pretending it is a vlan one. Since fill_frame_info() is relying on skb->mac_l…
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Medium 5.5
net: Fix icmp host relookup triggering ip_rt_bug
In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering ip_rt_bug arp link failure may trigger ip_rt_bug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x14/0x20 …
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Critical 9.8
can: j1939: j1939_session_new(): fix skb reference counting
In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_session_new(): fix skb reference counting Since j1939_session_skb_queue() does an extra skb_get() for each new skb, do the same for the initial one in j1939_session_new() to…
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High 7.5
net/ipv6: release expired exception dst cached in socket
In the Linux kernel, the following vulnerability has been resolved: net/ipv6: release expired exception dst cached in socket Dst objects get leaked in ip6_negative_advice() when this function is executed for an expired IPv6 route located in the exception tabl…
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Low 3.3
dccp: Fix memory leak in dccp_feat_change_recv
In the Linux kernel, the following vulnerability has been resolved: dccp: Fix memory leak in dccp_feat_change_recv If dccp_feat_push_confirm() fails after new value for SP feature was accepted without reconciliation ('entry == NULL' branch), memory allocated …