CVE-2024-21803

Use After Free vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (bluetooth modules) allows Local Execution of Code. This vulnerability is associated with program files https://gitee.Com/anolis/cloud-kernel/blob/devel-5.10/net/bluetooth/af_bluetooth.C.

This issue affects Linux kernel: from v2.6.12-rc2 before v6.8-rc1.

Use After Free vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (bluetooth modules) allows Local Execution of Code. This vulnerability is associated with program files https://gitee.Com/anolis/cloud-kernel/blob/devel-5.10/net/bluetooth/af_bluetooth.C. This issue affects Linux kernel: from v2.6.12-rc2 before v6.8-rc1.

Root has patched CVE-2024-21803 in the linux package for Root:Debian:11. Multiple fixed versions available.

Root has patched CVE-2024-21803 in the linux package for Root:Debian:12. Multiple fixed versions available.

Root has patched CVE-2024-21803 in the linux package for Root:Debian:13. Multiple fixed versions available.

Use After Free vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (bluetooth modules) allows Local Execution of Code. This vulnerability is associated with program files https://gitee.Com/anolis/cloud-kernel/blob/devel-5.10/net/bluetooth/af_bluetooth.C. This issue affects Linux kernel: from v2.6.12-rc2 before v6.8-rc1.

• Bluetooth: af_bluetooth: Fix Use-After-Free in bt_sock_recvmsg {CVE-2024-21803}
• net: defer final 'struct net' free in netns dismantle {CVE-2024-56658}
• netfilter: validate user input for expected length {CVE-2024-35896}
• drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create' {CVE-2024-56608}
• smb: client: fix UAF in async decryption {CVE-2024-50047}
• drm/amdgpu: fix usage slab after free {CVE-2024-56551}
• nvme: avoid double free special payload {CVE-2024-41073}
• xfs: add bounds checking to xlog_recover_process_data {CVE-2024-41014}
• net/sched: act_mirred: don't override retval if we already lost the skb {CVE-2024-26739}
• ext4: fix timer use-after-free on failed mount {CVE-2024-49960}
• smb: client: fix potential UAF in cifs_stats_proc_show() {CVE-2024-35867}
• smb: client: fix potential UAF in cifs_debug_files_proc_show() {CVE-2024-26928}
• RDMA/mlx5: Fix fortify source warning while accessing Eth segment {CVE-2024-26907}
• stddef: Introduce DECLARE_FLEX_ARRAY() helper
• nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() {CVE-2025-21927}
• net_sched: sch_sfq: move the limit validation {CVE-2024-57996}
• net_sched: sch_sfq: use a temporary work area for validating configuration
• net_sched: sch_sfq: don't allow 1 packet limit {CVE-2024-57996}
• net_sched: sch_sfq: handle bigger packets
• net_sched: sch_sfq: annotate data-races around q->perturb_period
• squashfs: fix memory leak in squashfs_fill_super
• netfilter: nf_tables: adjust lockdep assertions handling
• Revert "vgacon: Add check for vc_origin address range in vgacon_scroll()"
• ASoC: ops: dynamically allocate struct snd_ctl_elem_value
• KVM: x86: use array_index_nospec with indices that come from guest
• KVM: APIC: add helper func to remove duplicate code in kvm_pv_send_ipi
• rds: Fix NULL ptr deref in xas_start
• mm: make page_mapped_in_vma() hugetlb walk aware
• mm/rmap: Fix handling of hugetlbfs pages in page_vma_mapped_walk
• net_sched: sch_sfq: move the limit validation {CVE-2025-37752}
• net_sched: sch_sfq: use a temporary work area for validating configuration
• net_sched: sch_sfq: don't allow 1 packet limit {CVE-2024-57996}
• net_sched: sch_sfq: handle bigger packets
• net_sched: sch_sfq: annotate data-races around q->perturb_period
• squashfs: fix memory leak in squashfs_fill_super
• netfilter: nf_tables: adjust lockdep assertions handling
• Revert "vgacon: Add check for vc_origin address range in vgacon_scroll()"
• ASoC: ops: dynamically allocate struct snd_ctl_elem_value
• KVM: x86: use array_index_nospec with indices that come from guest
• KVM: APIC: add helper func to remove duplicate code in kvm_pv_send_ipi
• rds: Fix NULL ptr deref in xas_start
• mm: make page_mapped_in_vma() hugetlb walk aware
• mm/rmap: Fix handling of hugetlbfs pages in page_vma_mapped_walk

• rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present
• xfrm: esp: avoid in-place decrypt on shared skb frags
• ext4: avoid OOB when system.data xattr changes underneath the filesystem {CVE-2024-47701}
• gpiolib: cdev: fix uninitialised kfifo {CVE-2024-36898}
• wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211() {CVE-2026-23315}
• net: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check {CVE-2026-23447}
• Squashfs: check metadata block offset is within range {CVE-2026-23388}
• nfnetlink_osf: validate individual option lengths in fingerprints {CVE-2026-23397}
• ring-buffer: Sync IRQ works before buffer destruction {CVE-2023-53587}
• Bluetooth: btusb: revert use of devm_kzalloc in btusb {CVE-2025-71082}
• Bluetooth: af_bluetooth: Fix Use-After-Free in bt_sock_recvmsg {CVE-2024-21803}
• crypto: scomp - fix req->dst buffer overflow {CVE-2023-52612}
• firmware_loader: Block path traversal {CVE-2024-47742}
• EDAC/igen6: Avoid segmentation fault on module unload {CVE-2024-56708}
• ceph: prevent use-after-free in encode_cap_msg() {CVE-2024-26689}
• firmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier() {CVE-2024-53068}
• tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg {CVE-2024-56633}
• bpf: Fix array bounds error with may_goto {CVE-2025-22087}
• wifi: rtw88: use ieee80211_purge_tx_queue() to purge TX skb {CVE-2024-56609}
• loop: Fix use-after-free issues {CVE-2023-53111}
• ubi: ensure that VID header offset + VID header size <= alloc, size {CVE-2023-53265}
• net: fec: Better handle pm_runtime_get() failing in .remove() {CVE-2023-53308}
• udf: Do not bother merging very long extents {CVE-2023-53506}
• ring-buffer: Fix deadloop issue on reading trace_pipe {CVE-2023-53668}
• binfmt_misc: fix shift-out-of-bounds in check_special_flags {CVE-2022-50497}
• virtio-mmio: don't break lifecycle of vm_dev {CVE-2023-53515}
• tracing/histograms: Add histograms to hist_vars if they have referenced variables {CVE-2023-53560}
• netfilter: conntrack: Avoid nf_ct_helper_hash uses after free {CVE-2023-53619}
• gfs2: Fix possible data races in gfs2_show_options() {CVE-2023-53622}
• net/mlx5: Fix ECVF vports unload on shutdown flow {CVE-2025-38109}
• RDMA/irdma: avoid invalid read in irdma_net_event {CVE-2025-71133}
• e1000: fix OOB in e1000_tbi_should_accept() {CVE-2025-71093}
• ALSA: scarlett2: Fix buffer overflow in config retrieval {CVE-2026-23078}
• bonding: limit BOND_MODE_8023AD to Ethernet devices {CVE-2026-23099}
• svcrdma: bound check rq_pages index in inline path {CVE-2025-71068}