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Linux

20,703 known vulnerabilities.

20,703 results · Feed

  • Critical 9.8

    xfrm: iptfs: preserve shared-frag marker in iptfs_consume_frags()

    In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: preserve shared-frag marker in iptfs_consume_frags() iptfs_consume_frags() transfers paged fragments from one socket buffer to another but fails to propagate the SKBFL_SHARED_FRA…

  • Low 3.9

    Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header

    A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file …

  • High 7.5

    Gstreamer1-plugins-bad-free: gstreamer: dtls certificate subject dn stack buffer overflow in openssl_verify_callback

    A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker…

  • High 7.1

    Gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb hextile heap out-of-bounds write with 16bpp framebuffer

    A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel value…

  • Low 3.7

    389-ds-base: 389-ds-base: non-constant-time comparison in pbkdf2-sha256 password verification

    A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password verification function uses standard memcmp() for comparing password hashes instead of a constant-time comparison function. A remote attacker could potentially use timing measurements of LDAP…

  • Medium 4.4

    389-ds-base: 389-ds-base: static initialization vector in aes-cbc/3des-cbc attribute encryption

    A flaw was found in 389-ds-base where the LDBM backend attribute encryption uses a hardcoded static initialization vector for AES-CBC and 3DES-CBC operations, allowing an attacker with privileged filesystem access to detect plaintext equality across encrypted…

  • Low 3.7

    Gstreamer1-plugins-bad-free: gstreamer: webrtcbin accepts remote sdp without a=fingerprint due to inverted presence check

    A logic vulnerability was found in GStreamer's webrtcbin component. The _check_sdp_crypto() function contains an inverted boolean condition that causes it to accept remote SDP offers or answers that lack the required a=fingerprint attribute, while incorrectly…

  • Medium 5.3

    389-ds-base: 389-ds-base: heap-buffer-overflow in dn normalization via quoted multivalued rdn

    A heap-buffer-overflow flaw was found in 389 Directory Server (389-ds-base). When normalizing a Distinguished Name (DN) that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name (RDN), the server can write past the end of a…

  • High 8.8

    389-ds-base: 389-ds-base: heap buffer overflow in sasl_io_recv() via padded sasl unbind

    A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). After a successful SASL bind with integrity protection (SSF > 0), an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is co…

  • High 8.0

    Sssd: sssd: gpo cache path traversal via unsanitized gpcfilesyspath allows kerberos authentication bypass

    A path traversal flaw was found in SSSD's AD GPO provider. The ad_gpo_extract_smb_components() function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cach…

  • High 8.8

    Sssd: sssd: sudo ldap provider searches entire directory tree for sudorole objects by default, enabling privilege escalation

    A flaw was found in SSSD's LDAP sudo provider. When the ldap_sudo_search_base option is not explicitly configured, SSSD searches the entire LDAP directory tree for sudoRole objects. An authenticated attacker with write access to any subtree can inject a sudoR…

  • High 7.3

    Gimp: gimp: integer overflow in read_rle_channel()

    A flaw was found in GIMP's PSD parser. An integer overflow in read_RLE_channel() can cause an undersized heap allocation for the RLE row-length table, after which subsequent per-row writes corrupt heap memory. This could lead to memory corruption, potentially…

  • Medium 5.5

    Gimp: gimp: denial of service via integer overflow in playstation tim loader

    A flaw was found in GIMP. The PlayStation TIM loader, responsible for handling PlayStation image files, incorrectly calculates the size of the Color Look-Up Table (CLUT) due to an integer overflow. This occurs when multiplying num_colors and num_cluts, both 1…

  • High 7.3

    Gimp: gimp: stack buffer overflow in pnmscanner_gettoken()

    A flaw was found in GIMP's PNM file format parser. When parsing a specially crafted PNM file, the pnmscanner_gettoken() function writes a null terminator one byte past the end of a stack-allocated buffer due to an off-by-one error in the loop boundary check. …

  • High 7.8
    CVE-2026-53362 Exploited Public exploit

    ipv6: account for fraggap on the paged allocation path

    In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branch is taken (MSG_MORE / NETIF_F_SG / large fraglen), alloclen and pagedlen are com…

    KEV Aug 27, 2026
  • High 7.1
    CVE-2026-53361 Public exploit

    af_unix: Set gc_in_progress to true in unix_gc().

    In the Linux kernel, the following vulnerability has been resolved: af_unix: Set gc_in_progress to true in unix_gc(). Igor Ushakov reported that unix_gc() could run with gc_in_progress being false if the work is scheduled while running: Thread 1 Thread 2 Thre…

  • High 8.8
    CVE-2026-53360 Public exploit

    KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use

    In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use As per the GHCB spec, when using GHCB v2+ require the software scratch area to reside in the GHCB's shared buffer. Note, things li…

  • High 8.8
    CVE-2026-53359 Public exploit

    KVM: x86: Fix shadow paging use-after-free due to unexpected role

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GFN") fixed a shadow paging mismatch betw…

  • High 7.3

    Gimp: gimp: heap buffer overflow in read_channel_data()

    A flaw was found in GIMP's Paint Shop Pro (PSP) file format parser. This heap buffer overflow vulnerability allows a remote attacker to cause arbitrary code execution or a denial of service (DoS) by tricking a user into opening a specially crafted PSP image f…

  • Medium 4.2

    Freeipa: ipa: idm: freeipa: off-by-one buffer overflows in ipa-otpd oauth2.c during oauth2 device authorization

    Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can cause out-of-bounds memory access when processing an oversized response from a configured external OAuth2/OIDC Identity Provider. An attacker who controls or can ma…

  • Critical 9.8

    Hplip: incomplete fix for cve-2026-8631

    A flaw was found in HPLIP (HP Linux Imaging and Printing Software). This vulnerability, an incomplete fix for CVE-2026-8631, may allow a remote attacker to escalate privileges or achieve arbitrary code execution. This can occur through an integer overflow in …

  • Medium 6.1

    Gimp: gimp: double-free in read_layer_block()

    A flaw was found in GIMP's PSP file format parser. A double-free condition occurs in the read_layer_block() function when processing a specially crafted PSP file. This could allow an attacker to cause memory corruption, potentially leading to denial of servic…

  • High 8.8

    Bluetooth: L2CAP: use chan timer to close channels in cleanup_listen()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: use chan timer to close channels in cleanup_listen() l2cap_chan_close() removes the channel from conn->chan_l, which must be done under conn->lock. cleanup_listen() runs und…

  • High 8.0

    Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del() bt_accept_dequeue() unlinks a not-yet-accepted child from the parent accept queue and release_sock()s it before returning…

  • Medium 5.5

    Pipewire: pulse server alloca stack overflow

    Multiple unbounded alloca() calls in the PulseAudio protocol server.

  • Medium 6.5

    Pipewire: raop rtsp null deref

    RAOP module accepts unbounded Content-Length values and does not check the pw_array_add() return.

  • High 7.8

    drm/i915/gem: Fix phys BO pread/pwrite with offset

    In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Fix phys BO pread/pwrite with offset sg_page() returns struct page pointer not (void *) so the scaling of pread/pwrite is wrong for phys BO and wrong parts of BO would be access…

  • High 8.8

    arm64: errata: Mitigate TLBI errata on various Arm CPUs

    In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Mitigate TLBI errata on various Arm CPUs A number of CPUs developed by Arm suffer from errata whereby a broadcast TLBI;DSB sequence may complete before the global observation o…

  • Critical 9.8

    net: rds: clear i_sends on setup unwind

    In the Linux kernel, the following vulnerability has been resolved: net: rds: clear i_sends on setup unwind The RDS IB connection teardown path is written so it can run during partial startup and on repeated shutdown attempts. It uses NULL pointers to disting…

  • Unscored —

    hsr: Remove WARN_ONCE() in hsr_addr_is_self().

    In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARN_ONCE() in hsr_addr_is_self(). syzbot reported the warning [0] in hsr_addr_is_self(), whose assumption is simply wrong. hsr->self_node is cleared in hsr_del_self_node(), which…

  • Unscored —

    signal: clear JOBCTL_PENDING_MASK for caller in zap_other_threads()

    In the Linux kernel, the following vulnerability has been resolved: signal: clear JOBCTL_PENDING_MASK for caller in zap_other_threads() When a multi-threaded process receives a stop signal (e.g., SIGSTOP), do_signal_stop() sets JOBCTL_STOP_PENDING and JOBCTL_…

  • Unscored —

    riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI

    In the Linux kernel, the following vulnerability has been resolved: riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI Fixes a warning while dumping core: [54983.546369][ C7] WARNING: [!note_name] fs/binfmt_elf.c:1771 at elf_core_dump+0x910/0xf68, CPU#7: …

  • Unscored —

    ASoC: wm_adsp: Fix NULL dereference when removing firmware controls

    In the Linux kernel, the following vulnerability has been resolved: ASoC: wm_adsp: Fix NULL dereference when removing firmware controls In wm_adsp_control_remove() check that the priv pointer is not NULL before attempting to cleanup what it points to. When cs…

  • Unscored —

    netfilter: nf_conntrack: destroy stale expectfn expectations on unregister

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack: destroy stale expectfn expectations on unregister NAT helpers such as nf_nat_h323 store a raw pointer to module text in exp->expectfn (e.g. ip_nat_q931_expect). nf_ct…

  • Unscored —

    drm/virtio: Fix driver removal with disabled KMS

    In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix driver removal with disabled KMS DRM atomic and modesetting aren't initialized if virtio-gpu driver built with disabled KMS, leading to access of uninitialized data on driver …

  • Unscored —

    ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions

    In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions sdca_dev_unregister_functions() iterates over all SDCA function descriptors and calls sdca_dev_unregister() on each f…

  • Unscored —

    rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES

    In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES Due to a rustc bug [1] the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the mod…

  • Unscored —

    KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying

    In the Linux kernel, the following vulnerability has been resolved: KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying When marking a page dirty, complain about not having a running/loaded vCPU if and only if the VM is still alive, i.e. …

  • Unscored —

    pinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init

    In the Linux kernel, the following vulnerability has been resolved: pinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init Regmap initialization triggers regcache_maple_populate() which attempts SPI read to populate cache. SPI read requires m…

  • Unscored —

    arm64: mm: call pagetable dtor when freeing hot-removed page tables

    In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 ("arm64: mm: always call PTE/PMD ctor in __create_pgd_mapping()") page-table allocation on ARM64 always …