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CVE-2025-22096 |
Description: In the Linux kernel, the following vulnerability has been resolved:
drm/msm/gem: Fix error code msm_parse_deps()
The SUBMIT_ERROR() macro turns the error code negative. This extra '-'
operation turns it back to positive EINVAL again. The error code is
passed to ERR_PTR() and since positive values are not an IS_ERR() it
eventually will lead to an oops. Delete the '-'.
Patchwork: https://patchwork.freedesktop.org/patch/637625/
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22095 |
Description: In the Linux kernel, the following vulnerability has been resolved:
PCI: brcmstb: Fix error path after a call to regulator_bulk_get()
If the regulator_bulk_get() returns an error and no regulators
are created, we need to set their number to zero.
If we don't do this and the PCIe link up fails, a call to the
regulator_bulk_free() will result in a kernel panic.
While at it, print the error value, as we cannot return an error
upwards as the kernel will WARN() on an error from add_bus().
[kwilczynski: commit log, use comma in the message to match style with
other similar messages]
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22094 |
Description: In the Linux kernel, the following vulnerability has been resolved:
powerpc/perf: Fix ref-counting on the PMU 'vpa_pmu'
Commit 176cda0619b6 ("powerpc/perf: Add perf interface to expose vpa
counters") introduced 'vpa_pmu' to expose Book3s-HV nested APIv2 provided
L1<->L2 context switch latency counters to L1 user-space via
perf-events. However the newly introduced PMU named 'vpa_pmu' doesn't
assign ownership of the PMU to the module 'vpa_pmu'. Consequently the
module 'vpa_pmu' can be unloaded while one of the perf-events are still
active, which can lead to kernel oops and panic of the form below on a
Pseries-LPAR:
BUG: Kernel NULL pointer dereference on read at 0x00000058
NIP [c000000000506cb8] event_sched_out+0x40/0x258
LR [c00000000050e8a4] __perf_remove_from_context+0x7c/0x2b0
Call Trace:
[c00000025fc3fc30] [c00000025f8457a8] 0xc00000025f8457a8 (unreliable)
[c00000025fc3fc80] [fffffffffffffee0] 0xfffffffffffffee0
[c00000025fc3fcd0] [c000000000501e70] event_function+0xa8/0x120
Kernel panic - not syncing: Aiee, killing interrupt handler!
Fix this by adding the module ownership to 'vpa_pmu' so that the module
'vpa_pmu' is ref-counted and prevented from being unloaded when perf-events
are initialized.
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22093 |
Description: In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: avoid NPD when ASIC does not support DMUB
ctx->dmub_srv will de NULL if the ASIC does not support DMUB, which is
tested in dm_dmub_sw_init.
However, it will be dereferenced in dmub_hw_lock_mgr_cmd if
should_use_dmub_lock returns true.
This has been the case since dmub support has been added for PSR1.
Fix this by checking for dmub_srv in should_use_dmub_lock.
[ 37.440832] BUG: kernel NULL pointer dereference, address: 0000000000000058
[ 37.447808] #PF: supervisor read access in kernel mode
[ 37.452959] #PF: error_code(0x0000) - not-present page
[ 37.458112] PGD 0 P4D 0
[ 37.460662] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 37.465553] CPU: 2 UID: 1000 PID: 1745 Comm: DrmThread Not tainted 6.14.0-rc1-00003-gd62e938120f0 #23 99720e1cb1e0fc4773b8513150932a07de3c6e88
[ 37.478324] Hardware name: Google Morphius/Morphius, BIOS Google_Morphius.13434.858.0 10/26/2023
[ 37.487103] RIP: 0010:dmub_hw_lock_mgr_cmd+0x77/0xb0
[ 37.492074] Code: 44 24 0e 00 00 00 00 48 c7 04 24 45 00 00 0c 40 88 74 24 0d 0f b6 02 88 44 24 0c 8b 01 89 44 24 08 85 f6 75 05 c6 44 24 0e 01 <48> 8b 7f 58 48 89 e6 ba 01 00 00 00 e8 08 3c 2a 00 65 48 8b 04 5
[ 37.510822] RSP: 0018:ffff969442853300 EFLAGS: 00010202
[ 37.516052] RAX: 0000000000000000 RBX: ffff92db03000000 RCX: ffff969442853358
[ 37.523185] RDX: ffff969442853368 RSI: 0000000000000001 RDI: 0000000000000000
[ 37.530322] RBP: 00000000000...
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22092 |
Description: In the Linux kernel, the following vulnerability has been resolved:
PCI: Fix NULL dereference in SR-IOV VF creation error path
Clean up when virtfn setup fails to prevent NULL pointer dereference
during device removal. The kernel oops below occurred due to incorrect
error handling flow when pci_setup_device() fails.
Add pci_iov_scan_device(), which handles virtfn allocation and setup and
cleans up if pci_setup_device() fails, so pci_iov_add_virtfn() doesn't need
to call pci_stop_and_remove_bus_device(). This prevents accessing
partially initialized virtfn devices during removal.
BUG: kernel NULL pointer dereference, address: 00000000000000d0
RIP: 0010:device_del+0x3d/0x3d0
Call Trace:
pci_remove_bus_device+0x7c/0x100
pci_iov_add_virtfn+0xfa/0x200
sriov_enable+0x208/0x420
mlx5_core_sriov_configure+0x6a/0x160 [mlx5_core]
sriov_numvfs_store+0xae/0x1a0
[bhelgaas: commit log, return ERR_PTR(-ENOMEM) directly]
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22091 |
Description: In the Linux kernel, the following vulnerability has been resolved:
RDMA/mlx5: Fix page_size variable overflow
Change all variables storing mlx5_umem_mkc_find_best_pgsz() result to
unsigned long to support values larger than 31 and avoid overflow.
For example: If we try to register 4GB of memory that is contiguous in
physical memory, the driver will optimize the page_size and try to use
an mkey with 4GB entity size. The 'unsigned int' page_size variable will
overflow to '0' and we'll hit the WARN_ON() in alloc_cacheable_mr().
WARNING: CPU: 2 PID: 1203 at drivers/infiniband/hw/mlx5/mr.c:1124 alloc_cacheable_mr+0x22/0x580 [mlx5_ib]
Modules linked in: mlx5_ib mlx5_core bonding ip6_gre ip6_tunnel tunnel6 ip_gre gre rdma_rxe rdma_ucm ib_uverbs ib_ipoib ib_umad rpcrdma ib_iser libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_cm fuse ib_core [last unloaded: mlx5_core]
CPU: 2 UID: 70878 PID: 1203 Comm: rdma_resource_l Tainted: G W 6.14.0-rc4-dirty #43
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:alloc_cacheable_mr+0x22/0x580 [mlx5_ib]
Code: 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 41 52 53 48 83 ec 30 f6 46 28 04 4c 8b 77 08 75 21 <0f> 0b 49 c7 c2 ea ff ff ff 48 8d 65 d0 4c 89 d0 5b 41 5a 41 5c 41
RSP: 0018:ffffc900006ffac8 EFLAGS: 00010246
RAX: 0000000004c0d0d0 RBX: ffff888217a22000 RCX: 0000000000100001
RDX: 00007fb7ac480000 RSI: fff...
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22090 |
Description: In the Linux kernel, the following vulnerability has been resolved:
x86/mm/pat: Fix VM_PAT handling when fork() fails in copy_page_range()
If track_pfn_copy() fails, we already added the dst VMA to the maple
tree. As fork() fails, we'll cleanup the maple tree, and stumble over
the dst VMA for which we neither performed any reservation nor copied
any page tables.
Consequently untrack_pfn() will see VM_PAT and try obtaining the
PAT information from the page table -- which fails because the page
table was not copied.
The easiest fix would be to simply clear the VM_PAT flag of the dst VMA
if track_pfn_copy() fails. However, the whole thing is about "simply"
clearing the VM_PAT flag is shaky as well: if we passed track_pfn_copy()
and performed a reservation, but copying the page tables fails, we'll
simply clear the VM_PAT flag, not properly undoing the reservation ...
which is also wrong.
So let's fix it properly: set the VM_PAT flag only if the reservation
succeeded (leaving it clear initially), and undo the reservation if
anything goes wrong while copying the page tables: clearing the VM_PAT
flag after undoing the reservation.
Note that any copied page table entries will get zapped when the VMA will
get removed later, after copy_page_range() succeeded; as VM_PAT is not set
then, we won't try cleaning VM_PAT up once more and untrack_pfn() will be
happy. Note that leaving these page tables in place without a reservation
is not a problem, as we are aborting fork(); this pr...
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22089 |
Description: In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: Don't expose hw_counters outside of init net namespace
Commit 467f432a521a ("RDMA/core: Split port and device counter sysfs
attributes") accidentally almost exposed hw counters to non-init net
namespaces. It didn't expose them fully, as an attempt to read any of
those counters leads to a crash like this one:
[42021.807566] BUG: kernel NULL pointer dereference, address: 0000000000000028
[42021.814463] #PF: supervisor read access in kernel mode
[42021.819549] #PF: error_code(0x0000) - not-present page
[42021.824636] PGD 0 P4D 0
[42021.827145] Oops: 0000 [#1] SMP PTI
[42021.830598] CPU: 82 PID: 2843922 Comm: switchto-defaul Kdump: loaded Tainted: G S W I XXX
[42021.841697] Hardware name: XXX
[42021.849619] RIP: 0010:hw_stat_device_show+0x1e/0x40 [ib_core]
[42021.855362] Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 49 89 d0 4c 8b 5e 20 48 8b 8f b8 04 00 00 48 81 c7 f0 fa ff ff <48> 8b 41 28 48 29 ce 48 83 c6 d0 48 c1 ee 04 69 d6 ab aa aa aa 48
[42021.873931] RSP: 0018:ffff97fe90f03da0 EFLAGS: 00010287
[42021.879108] RAX: ffff9406988a8c60 RBX: ffff940e1072d438 RCX: 0000000000000000
[42021.886169] RDX: ffff94085f1aa000 RSI: ffff93c6cbbdbcb0 RDI: ffff940c7517aef0
[42021.893230] RBP: ffff97fe90f03e70 R08: ffff94085f1aa000 R09: 0000000000000000
[42021.900294] R10: ffff94085f1aa000 R11: ffffffffc0775680 R12: ffffffff87ca2530
[42021.907355] R13: ffff940651602840 R14: ...
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22088 |
Description: In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()
After the erdma_cep_put(new_cep) being called, new_cep will be freed,
and the following dereference will cause a UAF problem. Fix this issue.
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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CVE-2025-22087 |
Description: In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix array bounds error with may_goto
may_goto uses an additional 8 bytes on the stack, which causes the
interpreters[] array to go out of bounds when calculating index by
stack_size.
1. If a BPF program is rewritten, re-evaluate the stack size. For non-JIT
cases, reject loading directly.
2. For non-JIT cases, calculating interpreters[idx] may still cause
out-of-bounds array access, and just warn about it.
3. For jit_requested cases, the execution of bpf_func also needs to be
warned. So move the definition of function __bpf_prog_ret0_warn out of
the macro definition CONFIG_BPF_JIT_ALWAYS_ON.
EPSS Score: 0.02%
April 16th, 2025 (4 days ago)
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