Security Vulnerabilities
In the Linux kernel, the following vulnerability has been resolved:
gfs2: No more self recovery
When a node withdraws and it turns out that it is the only node that has
the filesystem mounted, gfs2 currently tries to replay the local journal
to bring the filesystem back into a consistent state. Not only is that
a very bad idea, it has also never worked because gfs2_recover_func()
will refuse to do anything during a withdraw.
However, before even getting to this point, gfs2_recover_func()
dereferences sdp->sd_jdesc->jd_inode. This was a use-after-free before
commit 04133b607a78 ("gfs2: Prevent double iput for journal on error")
and is a NULL pointer dereference since then.
Simply get rid of self recovery to fix that.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
[ceph] parse_longname(): strrchr() expects NUL-terminated string
... and parse_longname() is not guaranteed that. That's the reason
why it uses kmemdup_nul() to build the argument for kstrtou64();
the problem is, kstrtou64() is not the only thing that need it.
Just get a NUL-terminated copy of the entire thing and be done
with that...
CVSS Score
5.5
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: alienware-wmi-wmax: Fix `dmi_system_id` array
Add missing empty member to `awcc_dmi_table`.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv
Given mt8365_dai_set_priv allocate priv_size space to copy priv_data which
means we should pass mt8365_i2s_priv[i] or "struct mtk_afe_i2s_priv"
instead of afe_priv which has the size of "struct mt8365_afe_private".
Otherwise the KASAN complains about.
[ 59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
...
[ 59.394789] Call trace:
[ 59.395167] dump_backtrace+0xa0/0x128
[ 59.395733] show_stack+0x20/0x38
[ 59.396238] dump_stack_lvl+0xe8/0x148
[ 59.396806] print_report+0x37c/0x5e0
[ 59.397358] kasan_report+0xac/0xf8
[ 59.397885] kasan_check_range+0xe8/0x190
[ 59.398485] asan_memcpy+0x3c/0x98
[ 59.399022] mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
[ 59.399928] mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm]
[ 59.400893] mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm]
[ 59.401873] platform_probe+0xcc/0x228
[ 59.402442] really_probe+0x340/0x9e8
[ 59.402992] driver_probe_device+0x16c/0x3f8
[ 59.403638] driver_probe_device+0x64/0x1d8
[ 59.404256] driver_attach+0x1dc/0x4c8
[ 59.404840] bus_for_each_dev+0x100/0x190
[ 59.405442] driver_attach+0x44/0x68
[ 59.405980] bus_add_driver+0x23c/0x500
[ 59.406550] driver_register+0xf8/0x3d0
[ 59.407122] platform_driver_register+0x68/0x98
[ 59.407810] mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]
CVSS Score
7.8
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: canaan: k230: Fix order of DT parse and pinctrl register
Move DT parse before pinctrl register. This ensures that device tree
parsing is done before calling devm_pinctrl_register() to prevent using
uninitialized pin resources.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: canaan: k230: add NULL check in DT parse
Add a NULL check for the return value of of_get_property() when
retrieving the "pinmux" property in the group parser. This avoids
a potential NULL pointer dereference if the property is missing
from the device tree node.
Also fix a typo ("sintenel") in the device ID match table comment,
correcting it to "sentinel".
CVSS Score
5.5
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()
Preserve the error code if iwl_setup_deferred_work() fails. The current
code returns ERR_PTR(0) (which is NULL) on this path. I believe the
missing error code potentially leads to a use after free involving
debugfs.
CVSS Score
7.8
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw89: mcc: prevent shift wrapping in rtw89_core_mlsr_switch()
The "link_id" value comes from the user via debugfs. If it's larger
than BITS_PER_LONG then that would result in shift wrapping and
potentially an out of bounds access later. In fact, we can limit it
to IEEE80211_MLD_MAX_NUM_LINKS (15).
Fortunately, only root can write to debugfs files so the security
impact is minimal.
CVSS Score
7.1
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
nvmet: pci-epf: Do not complete commands twice if nvmet_req_init() fails
Have nvmet_req_init() and req->execute() complete failed commands.
Description of the problem:
nvmet_req_init() calls __nvmet_req_complete() internally upon failure,
e.g., unsupported opcode, which calls the "queue_response" callback,
this results in nvmet_pci_epf_queue_response() being called, which will
call nvmet_pci_epf_complete_iod() if data_len is 0 or if dma_dir is
different from DMA_TO_DEVICE. This results in a double completion as
nvmet_pci_epf_exec_iod_work() also calls nvmet_pci_epf_complete_iod()
when nvmet_req_init() fails.
Steps to reproduce:
On the host send a command with an unsupported opcode with nvme-cli,
For example the admin command "security receive"
$ sudo nvme security-recv /dev/nvme0n1 -n1 -x4096
This triggers a double completion as nvmet_req_init() fails and
nvmet_pci_epf_queue_response() is called, here iod->dma_dir is still
in the default state of "DMA_NONE" as set by default in
nvmet_pci_epf_alloc_iod(), so nvmet_pci_epf_complete_iod() is called.
Because nvmet_req_init() failed nvmet_pci_epf_complete_iod() is also
called in nvmet_pci_epf_exec_iod_work() leading to a double completion.
This not only sends two completions to the host but also corrupts the
state of the PCI NVMe target leading to kernel oops.
This patch lets nvmet_req_init() and req->execute() complete all failed
commands, and removes the double completion case in
nvmet_pci_epf_exec_iod_work() therefore fixing the edge cases where
double completions occurred.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-08-22
In the Linux kernel, the following vulnerability has been resolved:
spi: stm32: Check for cfg availability in stm32_spi_probe
The stm32_spi_probe function now includes a check to ensure that the
pointer returned by of_device_get_match_data is not NULL before
accessing its members. This resolves a warning where a potential NULL
pointer dereference could occur when accessing cfg->has_device_mode.
Before accessing the 'has_device_mode' member, we verify that 'cfg' is
not NULL. If 'cfg' is NULL, an error message is logged.
This change ensures that the driver does not attempt to access
configuration data if it is not available, thus preventing a potential
system crash due to a NULL pointer dereference.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-08-22