Platform
Linux
20,653 known vulnerabilities.
267 results · Clear filters · Feed
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High 7.8CVE-2026-114148 Public exploit
ASP.NET Core Elevation of Privilege Vulnerability
Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.
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Unscored —CVE-2026-98937 Public exploit
perf/core: Check kernel access when kernel callchains are requested
In the Linux kernel, the following vulnerability has been resolved: perf/core: Check kernel access when kernel callchains are requested perf_event_open() currently gates perf_allow_kernel() only on !attr.exclude_kernel. However, users can still request kernel…
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High 8.1CVE-2026-98499 Public exploit
HID: wacom: fix OOB read in wacom_wac_pen_serial_enforce()
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix OOB read in wacom_wac_pen_serial_enforce() The 'wacom_wac_pen_serial_enforce()' function may calculate and pass an invalid offset to hid_field_extract(), resulting in memory r…
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High 7.8CVE-2026-104715 Public exploit
Cifs-utils: mount.cifs credential-file option injection allows local privilege boundary bypass
A flaw was found in cifs-utils. This flaw allows an unprivileged local user to achieve privilege escalation. When a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file, input values are not properly sa…
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Critical 9.3CVE-2026-99999 Public exploit
ipv4: validate checksum_start before completing checksum
In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt the network header and cause a bunch of…
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Critical 9.8CVE-2026-98432 Public exploit
ipv4: free inet_opt and ireq_opt after an RCU grace period
In the Linux kernel, the following vulnerability has been resolved: ipv4: free inet_opt and ireq_opt after an RCU grace period tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the child socket (newinet->inet_opt) without copying it. Another cpu…
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High 7.0CVE-2026-53613 Public exploit
util-linux mount target TOCTOU allows local privilege escalation
util-linux is a random collection of Linux utilities. In util-linux 2.17 through 2.41.6 and 2.42 through 2.42.3, and in 2.42.4 when the legacy `mount(2)` path is used without `/proc`, restricted non-root `mount` requests validate an `/etc/fstab` target before…
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High 8.4CVE-2026-86476 Public exploit
Gstreamer1-plugins-base: gst-plugins-base: heap buffer overflow via unvalidated gstvideometa plane extents in gst_video_frame_map_id and video_meta_deserialize
A flaw was found in gst-plugins-base. A heap buffer overflow can be triggered when processing video buffers whose attached GstVideoMeta metadata declares plane strides and offsets that exceed the actual backing memory allocation. The metadata is not range-che…
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High 7.8CVE-2026-98385 Public exploit
sched/cache: Decouple sched_cache_group from mm to fix UAF
In the Linux kernel, the following vulnerability has been resolved: sched/cache: Decouple sched_cache_group from mm to fix UAF Currently the sched cache grouping is by mm and the scheduling statistics sched_cache_stat lives in the mm structure. This ties the …
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High 7.8CVE-2026-98260 Public exploit
exec: Cleanup POSIX timers right after de_thread()
In the Linux kernel, the following vulnerability has been resolved: exec: Cleanup POSIX timers right after de_thread() A per-thread CPU timer holds a reference to the PID of the thread it is attached to and, while it is armed, its node is queued in that threa…
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High 7.8CVE-2026-98258 Public exploit
posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list
In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list Kijo analyzed another race in the POSIX CPU timer code: Commit bf635681c906 converted cpu_timer::firing from a tri…
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High 7.8CVE-2026-98256 Public exploit
signal: Prevent exec() race
In the Linux kernel, the following vulnerability has been resolved: signal: Prevent exec() race Hyunwoo debugged the following KASAN UAF splat: BUG: KASAN: slab-use-after-free in __send_signal_locked+0xb27/0xba0 Write of size 8 at addr ffff888007ed80c8 by tas…
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High 7.1CVE-2026-98180 Public exploit
drm/msm: RCU-free the scheduler-containing ring and VM objects
In the Linux kernel, the following vulnerability has been resolved: drm/msm: RCU-free the scheduler-containing ring and VM objects Both struct msm_ringbuffer and struct msm_gem_vm embed a struct drm_gpu_scheduler. msm_ringbuffer_destroy() and the VM free call…
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High 8.8CVE-2026-93834 Public exploit
Qemu-kvm: 9pfs: use-after-free race in tlcreate/twalk allows vm guest escape
A use-after-free vulnerability was found in QEMU's 9pfs subsystem. A race condition between the main thread and a worker thread when processing concurrent Tlcreate and Twalk requests allows a malicious guest user to craft a fid path containing stale heap data…
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High 7.8CVE-2026-97941 Public exploit
mm/slab: take n->list_lock in __slab_try_return_freelist() to avoid race
In the Linux kernel, the following vulnerability has been resolved: mm/slab: take n->list_lock in __slab_try_return_freelist() to avoid race Commit ba7425312607 ("mm, slab: add an optimistic __slab_try_return_freelist()") incorrectly assumed that nobody has f…
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High 8.8CVE-2026-97555 Public exploit
smb: client: fix heap overflow in DACL owner/group rewrite
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in DACL owner/group rewrite When id_mode_to_cifs_acl rewrites an existing DACL, it allocates a buffer sized according to the on-disk DACL length reported by dac…
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High 7.8CVE-2026-96889 Public exploit
Librsvg: use-after-free when xml includes have duplicated entities
A flaw was found in librsvg. When processing an SVG document containing nested XML inclusions (Xincludes) with duplicate entity declarations, a use-after-free error can occur. This vulnerability arises because the library incorrectly frees an XML entity that …
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High 7.8CVE-2026-96512 Public exploit
Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authorization
A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment variable inherited from the calling user. Bec…
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High 7.0CVE-2026-91097 Public exploit
HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…
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High 7.8CVE-2026-89754 Public exploit
mm/pagewalk: fix stale walk->action escaping walk_pmd_range()
In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix stale walk->action escaping walk_pmd_range() If ->pmd_entry() sets walk->action = ACTION_AGAIN, the pmd_none() check is retried. The PMD entry may be cleared at the point of …
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Critical 9.8CVE-2026-89633 Public exploit
smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() coalesce_t2() computes data pointers directly from server-supplied DataOffset fields with no validation against bu…
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High 7.8CVE-2026-81000 Public exploit
net: tun: bound receive headroom
In the Linux kernel, the following vulnerability has been resolved: net: tun: bound receive headroom tun_get_user() uses tun->align both as skb headroom and when choosing how much packet data to keep linear. OVS can propagate an oversized headroom request fro…
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High 8.4CVE-2026-19843 Public exploit
389-ds-base: 389-ds-base: command injection via unescaped ldap dn in cockpit 389 console ldap editor
A flaw was found in 389-ds-base. The Cockpit 389 Console's LDAP editor constructs an ldapsearch command by embedding an LDAP entry's distinguished name (DN) into a shell command string without proper escaping. An LDAP user with delegated privileges to create …
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Critical 9.8CVE-2026-76578 Public exploit
Ipa: freeipa: freeipa: unauthenticated ldap client can obtain administrator credentials via the self-managed-token aci
A flaw was found in FreeIPA. The self-managed OTP token ACI does not require authentication and does not restrict which attributes may be added alongside the token entry. An unauthenticated LDAP client can exploit this, combined with a related flaw in the und…
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Medium 6.5CVE-2026-85769 Public exploit
Libtpms: libtpms: heap out-of-bounds read in tpm2 state unmarshalling via unchecked block_skip_read() blocksize
A flaw was found in libtpms, a library that provides software TPM 2.0 emulation. When restoring TPM 2.0 state (for example during a virtual machine's power-on or state/migration restore), a malformed state blob can supply an oversized skip-block length that i…
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Unscored —CVE-2026-80844 Public exploit
xfrm: ah6: validate routing header segments_left
In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segments_left AH6 rearranges routing-header addresses before computing or verifying the ICV. ipv6_rearrange_rthdr() assumes that segments_left is not larger…
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Unscored —CVE-2026-80775 Public exploit
futex: Fix race on the initial mm->futex.phash.ref allocation
In the Linux kernel, the following vulnerability has been resolved: futex: Fix race on the initial mm->futex.phash.ref allocation futex_hash_allocate() allocates mm->futex.phash.ref without any locking. Commit d9b05321e21e ("futex: Move futex_hash_free() back…
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High 8.8CVE-2026-80724 Public exploit
ptp: vmclock: prevent read-only mappings from becoming writable
In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: prevent read-only mappings from becoming writable vmclock_miscdev_mmap() rejects writable mappings of the shared vmclock ABI page with -EROFS, but leaves VM_MAYWRITE set. Usersp…
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Critical 9.8CVE-2026-80587 Public exploit
mptcp: avoid combining some incoming suboptions
In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid combining some incoming suboptions Some MPTCP suboptions are mutually exclusive according to the RFC8684, but also because in different places, the code doesn't expect some combi…
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High 7.8CVE-2026-80521 Public exploit
af_unix: Unlink scc_entry in unix_del_edge().
In the Linux kernel, the following vulnerability has been resolved: af_unix: Unlink scc_entry in unix_del_edge(). Kyle Zeng reported that GC could free a dead SCC partially. The scenario is as follows: 1) Create two SCCs: X -. A <-> B ^--' 2) Run the followin…
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High 7.5CVE-2026-16444 Public exploit
Improper Validation of File Paths in TeamViewer Desktop Clients
Improper neutralization of path traversal sequences in TeamViewer Desktop Clients prior Version 15.81.5 allows an authenticated remote session participant to write files to unintended locations on the local file system via file transfer or virtual file clipbo…
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Medium 5.3CVE-2026-77680 Public exploit
Libsoup3: libsoup: quadratic cpu denial of service in http range coalescing after cve-2025-32907 fix
An algorithmic complexity flaw exists in libsoup's HTTP Range header processing that persists after the CVE-2025-32907 fix. CVE-2025-32907 addressed memory amplification when a client repeated the same range many times in a single Range header. Commit 9bb92f7…
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Critical 9.8CVE-2026-74727 Public exploit
ovpn: skip rehash for peers already removed from by_id
In the Linux kernel, the following vulnerability has been resolved: ovpn: skip rehash for peers already removed from by_id ovpn_nl_peer_set_doit() resolves the target peer via ovpn_peer_get_by_id() before taking ovpn->lock. In the window between the lookup (w…
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Critical 9.8CVE-2026-74586 Public exploit
sctp: clear new_transport when removing a peer
In the Linux kernel, the following vulnerability has been resolved: sctp: clear new_transport when removing a peer sctp_process_asconf_param() stores a newly added peer transport in asoc->new_transport. After all parameters in the ASCONF chunk have been proce…
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High 7.8CVE-2026-74583 Public exploit
net/sched: cls_route: fix fastmap use-after-free on filter
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_route: fix fastmap use-after-free on filter The route4 classifier maintains a 16-slot fastmap cache that stores raw struct route4_filter pointers indexed by (id, iif). The read…
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High 8.8CVE-2026-74580 Public exploit
vhost: reset the vring metadata cache on vring reconfiguration
In the Linux kernel, the following vulnerability has been resolved: vhost: reset the vring metadata cache on vring reconfiguration vq->meta_iotlb[] caches the vhost_iotlb_map that backs each vring metadata region, and iotlb_access_ok() returns early on a cach…
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High 8.8CVE-2026-74469 Public exploit
sctp: prevent peer transport count overflow
In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow sctp_assoc_add_peer() increments the association's 16-bit transport_count for every new unique peer. Adding the 65,536th transport wraps the count …
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High 7.8CVE-2026-72018 Public exploit
dibs: loopback: validate offset and size in move_data()
In the Linux kernel, the following vulnerability has been resolved: dibs: loopback: validate offset and size in move_data() The loopback move_data() performs a memcpy into the registered DMB without checking whether offset + size exceeds the DMB length. Unlik…
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High 7.5CVE-2026-71217 Public exploit
Iperf3: iperf3 server accepts unbounded peer-controlled json parameters enabling remote denial of service via resource exhaustion
A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control-channel JSON with oversized numeric parameters, such as `parallel` and `len`, which are not properly validated by the server. This improper input validatio…
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High 7.8CVE-2026-68398 Public exploit
ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF
In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tp_recv() runs in the L2TP UDP-encap softirq RX path: l2tp_udp_encap_recv() -> l2tp_recv_common() -> pppol2tp_recv(…