CVE-2022-50754

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix a memleak in multitransactionnew In multitransactionnew, the variable t is not freed or passed out on the failure of copyfromusert-data, buf, size, which could lead to a memleak. Fix this bug by adding a...

CVE-2025-68744

In the Linux kernel, the following vulnerability has been resolved: bpf: Free special fields when update lru,percpuhash maps As lru,percpuhash maps support BPFKPTRREF,PERCPU, missing calls to 'bpfobjfreefields' in 'pcpucopyvalue' could cause the memory referenced by BPFKPTRREF,PERCPU fields to be...

CVE-2023-54113

In the Linux kernel, the following vulnerability has been resolved: rcu: dump vmalloc memory info safely Currently, for double invoke callrcu, will dump rcuhead objects memory info, if the objects is not allocated from the slab allocator, the vmallocdumpobj will be invoke and the vmaparealock...

UBUNTU-CVE-2023-54050

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memleak when insertoldidx failed Following process will cause a memleak for copied up znode: dirtycowznode zn = copyznodec, znode; err = insertoldidxc, zbr-lnum, zbr-offs; if unlikelyerr return ERRPTRerr; // No one...

UBUNTU-CVE-2023-54113

In the Linux kernel, the following vulnerability has been resolved: rcu: dump vmalloc memory info safely Currently, for double invoke callrcu, will dump rcuhead objects memory info, if the objects is not allocated from the slab allocator, the vmallocdumpobj will be invoke and the vmaparealock...

CVE-2023-54149

In the Linux kernel, the following vulnerability has been resolved: net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses When using the felix driver the only one which supports UC filtering and MC filtering as a DSA master for a random other DSA switch, one can see the followi...

UBUNTU-CVE-2022-50754

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix a memleak in multitransactionnew In multitransactionnew, the variable t is not freed or passed out on the failure of copyfromusert-data, buf, size, which could lead to a memleak. Fix this bug by adding a...

UBUNTU-CVE-2023-54071

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: use work to update rate to avoid RCU warning The ieee80211ops::starcupdate must be atomic, because ieee80211chanbwchange holds rcuread lock while calling drvstarcupdate, so create a work to do original things...

UBUNTU-CVE-2023-54102

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent lpfcdebugfslockstatwrite buffer overflow A static code analysis tool flagged the possibility of buffer overflow when using copyfromuser for a debugfs entry. Currently, it is possible that copyfromuser copies...

CVE-2023-54149 net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses

In the Linux kernel, the following vulnerability has been resolved: net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses When using the felix driver the only one which supports UC filtering and MC filtering as a DSA master for a random other DSA switch, one can see the followi...

CVE-2023-54124 f2fs: fix to drop all dirty pages during umount() if cp_error is set

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop all dirty pages during umount if cperror is set xfstest generic/361 reports a bug as below: f2fsbugonsbi, sbi-fsyncnodenum; kernel BUG at fs/f2fs/super.c:1627! RIP: 0010:f2fsputsuper+0x3a8/0x3b0 Call Trace:...

CVE-2023-54113 rcu: dump vmalloc memory info safely

In the Linux kernel, the following vulnerability has been resolved: rcu: dump vmalloc memory info safely Currently, for double invoke callrcu, will dump rcuhead objects memory info, if the objects is not allocated from the slab allocator, the vmallocdumpobj will be invoke and the vmaparealock...

CVE-2023-54102

The CVE-2023-54102 entry refers to the Linux kernel scsi lpfc driver fix: lpfc_debugfs_lockstat_write() buffer overflow risk from copy_from_user() into a fixed mybuf. The patch adds a min() boundary between sizeof(mybuf)-1 and the user-supplied nbytes to prevent overflow. Impact is a potential ke...

CVE-2023-54102 scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent lpfcdebugfslockstatwrite buffer overflow A static code analysis tool flagged the possibility of buffer overflow when using copyfromuser for a debugfs entry. Currently, it is possible that copyfromuser copies...

CVE-2023-54102 scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent lpfcdebugfslockstatwrite buffer overflow A static code analysis tool flagged the possibility of buffer overflow when using copyfromuser for a debugfs entry. Currently, it is possible that copyfromuser copies...

CVE-2022-50754

CVE-2022-50754 concerns a mem leak in the Linux kernel’s AppArmor path: in multi_transaction_new(), t is not freed or released when copy_from_user(t->data, buf, size) fails. The vulnerability details indicate the root cause is failure to free or pass out t on error, leading to a memory leak. T...

CVE-2022-50754 apparmor: fix a memleak in multi_transaction_new()

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix a memleak in multitransactionnew In multitransactionnew, the variable t is not freed or passed out on the failure of copyfromusert-data, buf, size, which could lead to a memleak. Fix this bug by adding a...

EUVD-2025-205080

In the Linux kernel, the following vulnerability has been resolved: md: fix rcu protection in mdwakeupthread We attempted to use RCU to protect the pointer 'thread', but directly passed the value when calling mdwakeupthread. This means that the RCU pointer has been acquired before rcureadlock,...

EUVD-2025-205107

In the Linux kernel, the following vulnerability has been resolved: ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events The DSP event handling code in hwdepread could write more bytes to the user buffer than requested, when a user provides a buffer smaller than the event header...

CVE-2023-54071 wifi: rtw88: use work to update rate to avoid RCU warning

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: use work to update rate to avoid RCU warning The ieee80211ops::starcupdate must be atomic, because ieee80211chanbwchange holds rcuread lock while calling drvstarcupdate, so create a work to do original things...