CVE-2025-38350

CVE-2025-38350 affects the Linux kernel net/sched HFSC and other classful qdiscs. The issue arises when a child qdisc becomes empty during enqueue/dequeue interactions, potentially leading to a use-after-free on stale class pointers after backlog/backlog accounting. The known fix changes the back...

CVE-2024-36286

CVE-2024-36286 is a Linux kernel issue where netfilter nfnetlink_queue could call nf_reinject() without holding rcu_read_lock, risking suspicious RCU usage. The resolution adds proper RCU handling in instance_destroy_rcu() and related paths (e.g., nf_reinject, nfqnl_flush) to ensure rcu_read_lock...

CVE-2024-36926

CVE-2024-36926 affects the Linux kernel on PowerPC pseries hardware, where LPARs boot with a frozen PE may lack the ibm,dma-window property. This can cause a NULL pointer dereference while configuring PCI, leading to an oops/panic during boot. The vulnerability is described with kernel traces (pc...

CVE-2024-36933

CVE-2024-36933 relates to the Linux kernel. The issue arises in nsh_gso_segment() when handling GSO packets with an outer header (example: ETH_P_8021AD) that NSH encapsulates. The inner protocol (e.g., NSH over Ethernet) can cause the outer header to be stripped or mispositioned due to misrestora...

CVE-2024-36974

The CVE-2024-36974 issue affects the Linux kernel net/sched taprio: if a TCA_TAPRIO_ATTR_PRIOMAP attribute is provided, taprio_parse_mqprio_opt() must validate it; otherwise, a second taprio_change() with crafted mqprio attributes can cause kernel problems after a first, valid call sets dev->n...

CVE-2024-39276

CVE-2024-39276: Linux kernel ext4 mb_cache_entry e_refcnt leak fixed. In ext4_xattr_block_cache_find(), on failure from ext4_sb_bread() returning -ENOMEM, the ce’s e_refcnt could leak, triggering mb_cache_destroy(). Quick fix: call mb_cache_entry_put() on the -ENOMEM error path. Connected Astra L...

CVE-2024-40965

CVE-2024-40965 (Linux kernel: i2c/lpi2c): The provided documents confirm a fix for a deadlock scenario in i2c-lpi2c where repeated clk_get_rate() calls during transfers could lock the clk mutex and cause deadlock when a tlv320aic32x4 codec is added. The resolution caches the clock rate and uses a...

CVE-2024-40972

CVE-2024-40972 : In the Linux kernel, the ext4_xattr_set_entry() path creates new EA inodes while holding the external xattr block’s buffer lock, nesting allocation locks and risking deadlock. The fix moves EA inode allocation out of ext4_xattr_set_entry() to the callers, preventing lock nesting....

CVE-2024-47737

CVE-2024-47737 is a Linux kernel vulnerability in NFSD where, when xdr_reserve_space returns NULL due to insufficient buffer, a missing cache_put after a successful cache_get can occur if idmap_lookup triggers lookup_fn. This can create a mismatch in the nfsd cache handling. The CVE has a CVSSv3....

CVE-2024-50062

CVE-2024-50062 affects the Linux kernel's RDMA/rtrs-srv path establishment. The connected documents describe a root cause where the RTRS client/server exchange (info_req) requires all connections to be established and the RTRS path to be in CONNECTED state; without proper sanity checks, this can ...

CVE-2024-50106

CVE-2024-50106 covers a race in NFS vnode handling in Linux kernels where laundromat may revoke a delegation while another thread frees the associated stateid, causing a use-after-free in nfsd_breaker_owns_lease and a KASAN warning. The cited patch adds coordination between laundromat and FREE_ST...

CVE-2024-53127

The CVE-2024-53127 entry concerns a Linux kernel MMC/DW_MMC issue where reverting the patch that widened max_req_size for 4K pages was necessary because it caused kernel/rootfs boot panics on Rockchip RK3566 and StarFive JH7100, and swiotlb/data corruption on StarFive JH7110. The available source...

CVE-2024-56663

CVE-2024-56663 describes a Linux kernel vulnerability in wifi nl80211 where NL80211_ATTR_MLO_LINK_ID could be misvalidated due to an off-by-one error in the attribute range. The issue manifests as a potential out-of-bounds access (demonstrated by a KASAN wild-memory-access bug in ieee80211_tx_con...

CVE-2024-56739

CVE-2024-56739 affects the Linux kernel where a failed __rtc_read_time in rtc_timer_do_work() can leave struct rtc_time tm with uninitialized data, causing rtc_tm_to_ktime to yield a very large value and potentially trigger kernel softlockup via periodic timers. The published fix adds a check on ...

CVE-2025-21926

CVE-2025-21926 affects the Linux kernel net: gso code path, specifically __udp_gso_segment. The destructor for the skb is removed before segmenting, but the socket reference is left intact. If the original skb is later orphaned, a kernel bug can trigger (skb_orphan crash in ip_rcv_core). The issu...

CVE-2025-37789

CVE-2025-37789 (net: openvswitch: fix nested key length validation in the set() action) is covered by connected advisories, which confirm a Linux kernel vulnerability in netlink key length handling for the set() action in Open vSwitch. The description notes that accessing nla_len(ovs_key) is unsa...

CVE-2011-1495

CVE-2011-1495 affects the Linux kernel up to 2.6.38, in drivers/scsi/mpt2sas/mpt2sas_ctl.c. The issue arises because length and offset values are not validated before memory copy operations, potentially allowing a local user to gain privileges, cause memory corruption (DoS), or read sensitive ker...

CVE-2014-3645

CVE-2014-3645 affects the Linux kernel KVM implementation in arch/x86/kvm/vmx.c, with versions before 3.12. The root cause is that the code path handling the INVEPT instruction lacks an exit handler, which can allow a guest OS user to trigger a denial of service by crashing the guest via a crafte...

CVE-2017-1000365

CVE-2017-1000365 affects the Linux kernel where size limits for arguments and environment strings passed via RLIMIT_STACK/RLIMIT_INFINITY do not properly account for the argument/environment pointers, enabling a local attacker to potentially execute arbitrary code. The issue is described as a lim...

CVE-2017-5577

CVE-2017-5577 affects the Linux kernel VideoCore DRM vc4 driver. The vc4_get_bcl function in vc4_gem.c can encounter overflow while handling size values in VC4_SUBMIT_CL, and does not set an errno value, which can lead to an incorrect pointer dereference and a kernel OOPS, causing a denial of ser...

CVE-2022-24122

CVE-2022-24122 affects the Linux kernel in versions 5.14–5.16.4 when unprivileged user namespaces are enabled. The issue is a use‑after‑free in the ucounts object that can outlive its namespace, enabling a local privilege escalation. The vulnerability is described in kernel/ucount.c and is docume...

CVE-2022-3521

CVE-2022-3521 is a race-condition vulnerability in the Linux Kernel KCM subsystem (function kcm_tx_work in net/kcm/kcmsock.c). The issue can allow a local attacker to trigger a crash via race conditions in the KCM path. Technical details in connected sources confirm the affected component and roo...

CVE-2022-49371

CVE-2022-49371: In the Linux kernel, driver core: fix deadlock in __device_attach. The deadlock occurs when async_probe is scheduled while holding device_lock(dev); async_helper may also acquire dev, causing A-A deadlock. The fix moves async_schedule_dev outside the device_lock path, leveraging t...

CVE-2023-28866

The CVE-2023-28866 issue affects the Linux kernel up to 6.2.8, specifically net/bluetooth/hci_sync.c, where amp_init1[] and amp_init2[] were intended to include an invalid element but do not, enabling out-of-bounds access. The documented CVSS shows Network access with low attack complexity and no...

CVE-2023-52599

Summary (CVE-2023-52599) : The Linux kernel JFS path diNewExt had an out-of-bounds UBSAN failure (index -878706688 for struct iagctl[128]) traced to fs/jfs/jfs_imap.c:2360. The issue arises when agno is too large, leading to overflow in agno handling. The fix described in the sources is to valida...

CVE-2024-26712

In CVE-2024-26712, the Linux kernel powerpc/kasan path Fixes an addr error in kasan_init_region when k_start is not page-aligned. The issue occurred because k_cur = k_start & PAGE_MASK could be less than k_start, causing va = block + k_cur - k_start to be before the allocated memblock, making the...

CVE-2024-26774

CVE-2024-26774 — Linux kernel ext4 fix for zero-division risk . The vulnerability arises in ext4_mb_update_avg_fragment_size() when the block bitmap is corrupted, potentially causing a divide-by-zero if bb_fragments is 0 and the code uses bb_free. The fix changes the check to determine bb_fragmen...

CVE-2024-35861

CVE-2024-35861: In the Linux kernel, smb client code (cifs) was fixed to address a potential use-after-free in cifs_signal_cifsd_for_reconnect(). The patch adds a skip for sessions that are tearing down (status == SES_EXITING) to avoid a UAF. The description indicates this fixes a use-after-free ...

CVE-2024-38612

CVE-2024-38612 affects the Linux kernel; the flaw is in the ipv6 SR (seg6) unregister path. The error path in seg6_init() can skip genl_unregister_family() if CONFIG_IPV6_SEG6_LWTUNNEL is not defined and seg6_hmac_init() fails, due to a changed cleanup path (unregister_pernet_subsys() replaced by...

CVE-2024-38627

CVE-2024-38627 (Linux kernel) : The vuln is a local double-free in the stm class during stm_register_device(). The code path frees the same stm object twice: the first free happens when stm_device_release() is triggered by put_device(&stm->dev), and a subsequent vfree(stm) on the next line res...

CVE-2024-43906

CVE-2024-43906 affects the Linux kernel, specifically the drm/admgpu path. The issue arises when user space passes an invalid ta type, causing the pointer context to be empty and leading to a potential null pointer dereference. The provided connected materials indicate the vulnerability has been ...

CVE-2024-44934

CVE-2024-44934 — Linux kernel net: bridge: mcast: wait for previous gc cycles when removing port . Syzkaller triggered a use-after-free during port removal because old multicast garbage collection cycles may still be running when a port is freed. The fix is to ensure all prior garbage-collection ...

CVE-2024-46743

CVE-2024-46743 affects the Linux kernel’s interrupt/IRQ handling in the of_irq_parse_raw path. When a device address is smaller than the interrupt parent node (involving #address-cells), KASAN detects a slab-out-of-bounds read while populating the initial match table during interrupt map walk. Th...

CVE-2024-46771

CVE-2024-46771 : In the Linux kernel, the can:bcm module leaked a proc entry when a bound BCM socket was unregistered. The repro flow creates a BCM connect(), registers a proc entry, then unregisters the bound netdev and attempts a second connect(), which can allocate a new proc entry with the sa...

CVE-2024-47710

CVE-2024-47710 : Linux kernel vulnerability where destroying a sock_map with many buckets could trigger soft lockups. The fix adds a cond_resched() in sock_hash_free() to yield the CPU when needed, addressing repeated syzbot soft lockup reports. Affected component: sock_map/sock_hash_free in Linu...

CVE-2024-49569

The CVE-2024-49569 entry concerns the Linux kernel NVMe/RDMA path. Affected component: nvme_rdma admin queue handling. Root cause: admin_q is quiesced (quiesced admin_q) but not unquiesced before destroy when admin ctrl creation fails, causing pending admin requests to never drain. Impact: kernel...

CVE-2024-50066

CVE-2024-50066 is a Linux kernel race in mm/mremap where move_page_tables can race with retract_page_tables under THP/rmap locking. The flaw stems from reading the PMD type before acquiring rmap locks, potentially creating bogus PMD entries (e.g., mapping page 0 as a page table on x86) and enabli...

CVE-2024-50125

The CVE-2024-50125 entry describes a Linux kernel Bluetooth SCO use-after-free issue: sco_sock_timeout may reference a conn that was unlinked/freed while waiting for sco_conn_lock. The patch fixes UAF by verifying that conn->sk is still valid (part of sco_sk_list) before use. Impact is High if...

CVE-2024-53056

CVE-2024-53056 affects the Linux kernel in the drm/mediatek component, specifically the mtk_crtc_destroy() NULL-dereference risk caused by cleanup behavior when mtk_crtc_create() fails to obtain a channel via mbox_request_channel(). The issue arises because, if the call to mbox_request_channel() ...

CVE-2024-53091

The connected Astra Linux bulletin and CVE record confirm a Linux kernel TLS offload flaw (CVE-2024-53091) addressed by a patch that adds sk_is_inet and IS_ICSK checks in tls_sw_has_ctx_tx/rx. The change is motivated by support for vsock and af_unix sockets in sockmap, where sockets can be vsock_...

CVE-2024-53110

The CVE-2024-53110 issue affects the Linux kernel vp_vdpa component, where the id_table array wasn’t terminated with a null terminator. This could cause vdpa_mgmtdev_get_classes() to iterate multiple times and access undefined memory. The fix adds one extra virtio_device_id as a null terminator t...

CVE-2024-57890

CVE-2024-57890 affects the Linux kernel RDMA/uverbs path. The issue is an integer overflow in user-supplied values during multiplications: cmd.wqe_size * cmd.wr_count and cmd.sge_count * sizeof(struct ib_uverbs_sge). On 32‑bit systems these can overflow, and the result may wrap as it’s passed to ...

CVE-2025-21687

CVE-2025-21687 affects the Linux kernel’s vfio/platform code. The vulnerability arises because this path did not fully validate the combination of read/write syscall bounds with user-supplied count/offset, and only offset was capped to 40 bits. This can allow reading or writing beyond the device’...

CVE-2025-21762

Summary (CVE‑2025‑21762) The Linux kernel fixed a vulnerability in arp_xmit() where arp_xmit() could be called without RTNL or RCU protection, creating a potential use‑after‑free (UAF) scenario. The remediation uses RCU protection to guard arp_xmit() and prevent UAF. The issue is documented in th...

CVE-2025-21796

CVE-2025-21796 is a Linux kernel use-after-free vulnerability in nfsd where acl_access/acl_default could retain a pointer to a released posix_acl, enabling a UAF scenario. The fix is to clear acl_access/acl_default after releasing them to prevent the use-after-free. Public advisories (e.g., ALAS2...

CVE-2025-21859

CVE-2025-21859 affects the Linux kernel USB gadget f_midi path; a deadlock occurs when a lock is acquired twice in a re-entrant f_midi_transmit. The fix is to schedule the inner f_midi_transmit via a high-priority work queue using queue_work() from the completion handler. Patched commits are refe...

CVE-2025-21920

CVE-2025-21920 (Linux kernel VLAN subtype): The issue occurs when creating VLAN devices on non-Ethernet underlying devices, which can trigger an out-of-bounds read by dev_mc_add due to __dev_mc_add using dev->addr_len as the multicast length. The underlying cause is not enforcing the underlyin...

CVE-2025-21962

CVE-2025-21962 affects the Linux kernel CIFS mount option closetimeo, where user-provided closetimeo (u32) is converted to jiffies before validation, allowing an integer overflow. Connected sources (Astra Linux, ALAS AWS advisories, Debian/Red Hat references) confirm this as a kernel-level issue ...

CVE-2010-2521

CVE-2010-2521 affects the Linux kernel NFS server (fs/nfsd/nfs4xdr.c) prior to 2.6.34-rc6. The issue is due to multiple buffer overflows in the XDR implementation, exploitable via a crafted NFSv4 WRITE request, impacting the read_buf and nfsd4_decode_compound paths. Consequences include denial of...

CVE-2016-0774

CVE-2016-0774 affects Linux kernel backports in Debian wheezy (before 3.2.73-2+deb7u3) and RHEL 7.1 (before 3.10.0-229.26.2). The flaw is in the pipe_read/pipe_write paths in fs/pipe.c where the side effects of failed __copy_to_user_inatomic/__copy_from_user_inatomic calls are not properly handle...