Linux: >> Linux Kernel >> 5.7.2 Security Vulnerabilities
In the Linux kernel, the following vulnerability has been resolved:
s390/dasd: Fix potential memleak in dasd_eckd_init()
`dasd_reserve_req` is allocated before `dasd_vol_info_req`, and it
also needs to be freed before the error returns, just like the other
cases in this function.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
ext4: remove a BUG_ON in ext4_mb_release_group_pa()
If a malicious fuzzer overwrites the ext4 superblock while it is
mounted such that the s_first_data_block is set to a very large
number, the calculation of the block group can underflow, and trigger
a BUG_ON check. Change this to be an ext4_warning so that we don't
crash the kernel.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
fs/binfmt_elf: Fix memory leak in load_elf_binary()
There is a memory leak reported by kmemleak:
unreferenced object 0xffff88817104ef80 (size 224):
comm "xfs_admin", pid 47165, jiffies 4298708825 (age 1333.476s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
60 a8 b3 00 81 88 ff ff a8 10 5a 00 81 88 ff ff `.........Z.....
backtrace:
[<ffffffff819171e1>] __alloc_file+0x21/0x250
[<ffffffff81918061>] alloc_empty_file+0x41/0xf0
[<ffffffff81948cda>] path_openat+0xea/0x3d30
[<ffffffff8194ec89>] do_filp_open+0x1b9/0x290
[<ffffffff8192660e>] do_open_execat+0xce/0x5b0
[<ffffffff81926b17>] open_exec+0x27/0x50
[<ffffffff81a69250>] load_elf_binary+0x510/0x3ed0
[<ffffffff81927759>] bprm_execve+0x599/0x1240
[<ffffffff8192a997>] do_execveat_common.isra.0+0x4c7/0x680
[<ffffffff8192b078>] __x64_sys_execve+0x88/0xb0
[<ffffffff83bbf0a5>] do_syscall_64+0x35/0x80
If "interp_elf_ex" fails to allocate memory in load_elf_binary(),
the program will take the "out_free_ph" error handing path,
resulting in "interpreter" file resource is not released.
Fix it by adding an error handing path "out_free_file", which will
release the file resource when "interp_elf_ex" failed to allocate
memory.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
platform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()
The following WARNING message was given when rmmod cros_usbpd_notify:
Unexpected driver unregister!
WARNING: CPU: 0 PID: 253 at drivers/base/driver.c:270 driver_unregister+0x8a/0xb0
Modules linked in: cros_usbpd_notify(-)
CPU: 0 PID: 253 Comm: rmmod Not tainted 6.1.0-rc3 #24
...
Call Trace:
<TASK>
cros_usbpd_notify_exit+0x11/0x1e [cros_usbpd_notify]
__x64_sys_delete_module+0x3c7/0x570
? __ia32_sys_delete_module+0x570/0x570
? lock_is_held_type+0xe3/0x140
? syscall_enter_from_user_mode+0x17/0x50
? rcu_read_lock_sched_held+0xa0/0xd0
? syscall_enter_from_user_mode+0x1c/0x50
do_syscall_64+0x37/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f333fe9b1b7
The reason is that the cros_usbpd_notify_init() does not check the return
value of platform_driver_register(), and the cros_usbpd_notify can
install successfully even if platform_driver_register() failed.
Fix by checking the return value of platform_driver_register() and
unregister cros_usbpd_notify_plat_driver when it failed.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix potential memory leak in rtw_init_drv_sw()
In rtw_init_drv_sw(), there are various init functions are called to
populate the padapter structure and some checks for their return value.
However, except for the first one error path, the other five error paths
do not properly release the previous allocated resources, which leads to
various memory leaks.
This patch fixes them and keeps the success and error separate.
Note that these changes keep the form of `rtw_init_drv_sw()` in
"drivers/staging/r8188eu/os_dep/os_intfs.c". As there is no proper device
to test with, no runtime testing was performed.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
clk: tegra: Fix refcount leak in tegra210_clock_init
of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix xid leak in cifs_flock()
If not flock, before return -ENOLCK, should free the xid,
otherwise, the xid will be leaked.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
net: ethernet: ti: am65-cpsw: Fix PM runtime leakage in am65_cpsw_nuss_ndo_slave_open()
Ensure pm_runtime_put() is issued in error path.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
MIPS: vpe-mt: fix possible memory leak while module exiting
Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's
bus_id string array"), the name of device is allocated dynamically,
it need be freed when module exiting, call put_device() to give up
reference, so that it can be freed in kobject_cleanup() when the
refcount hit to 0. The vpe_device is static, so remove kfree() from
vpe_device_release().
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01
In the Linux kernel, the following vulnerability has been resolved:
powerpc/52xx: Fix a resource leak in an error handling path
The error handling path of mpc52xx_lpbfifo_probe() has a request_irq()
that is not balanced by a corresponding free_irq().
Add the missing call, as already done in the remove function.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-10-01