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Package · Ubuntu

linux-kvm

12,405 known vulnerabilities.

12,259 results · Feed

  • High 7.8

    tcp: call sk_data_ready() after listener migration

    In the Linux kernel, the following vulnerability has been resolved: tcp: call sk_data_ready() after listener migration When inet_csk_listen_stop() migrates an established child socket from a closing listener to another socket in the same SO_REUSEPORT group, t…

  • Unscored —

    KVM: SVM: Add missing save/restore handling of LBR MSRs

    In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Add missing save/restore handling of LBR MSRs MSR_IA32_DEBUGCTLMSR and LBR MSRs are currently not enumerated by KVM_GET_MSR_INDEX_LIST, and LBR MSRs cannot be set with KVM_SET_MSRS.…

  • Unscored —

    rxrpc: Fix memory leaks in rxkad_verify_response()

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix memory leaks in rxkad_verify_response() Fix rxkad_verify_response() to free the ticket and the server key under all circumstances by initialising the ticket pointer to NULL and the…

  • Unscored —

    PCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown

    In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown epf_ntb_epc_destroy() duplicates the teardown that the caller is supposed to do later. This leads to an oops when .allow_link fa…

  • High 7.8

    drm/nouveau: fix u32 overflow in pushbuf reloc bounds check

    In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix u32 overflow in pushbuf reloc bounds check nouveau_gem_pushbuf_reloc_apply() validates each relocation with if (r->reloc_bo_offset + 4 > nvbo->bo.base.size) but reloc_bo_offs…

  • Unscored —

    ALSA: caiaq: Handle probe errors properly

    In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: Handle probe errors properly The probe procedure of setup_card() in caiaq driver doesn't treat the error cases gracefully, e.g. the error from snd_card_register() calls snd_card_…

  • Unscored —

    net: qrtr: ns: Limit the total number of nodes

    In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the total number of nodes Currently, the nameserver doesn't limit the number of nodes it handles. This can be an attack vector if a malicious client starts registering ra…

  • Unscored —

    ext2: reject inodes with zero i_nlink and valid mode in ext2_iget()

    In the Linux kernel, the following vulnerability has been resolved: ext2: reject inodes with zero i_nlink and valid mode in ext2_iget() ext2_iget() already rejects inodes with i_nlink == 0 when i_mode is zero or i_dtime is set, treating them as deleted. Howev…

  • Unscored —

    rxrpc: Fix conn-level packet handling to unshare RESPONSE packets

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security operations that verify the RESPONSE packets decrypt bits of it in place - however, the sk_buff may be shared wit…

  • High 7.1

    erofs: fix unsigned underflow in z_erofs_lz4_handle_overlap()

    In the Linux kernel, the following vulnerability has been resolved: erofs: fix unsigned underflow in z_erofs_lz4_handle_overlap() Some crafted images can have illegal (!partial_decoding && m_llen < m_plen) extents, and the LZ4 inplace decompression path can b…

  • Unscored —

    scsi: sd: fix missing put_disk() when device_add(&disk_dev) fails

    In the Linux kernel, the following vulnerability has been resolved: scsi: sd: fix missing put_disk() when device_add(&disk_dev) fails If device_add(&sdkp->disk_dev) fails, put_device() runs scsi_disk_release(), which frees the scsi_disk but leaves the gendisk…

  • Unscored —

    ibmasm: fix OOB reads in command_file_write due to missing size checks

    In the Linux kernel, the following vulnerability has been resolved: ibmasm: fix OOB reads in command_file_write due to missing size checks The command_file_write() handler allocates a kernel buffer of exactly count bytes and copies user data into it, but does…

  • High 7.8

    udf: fix partition descriptor append bookkeeping

    In the Linux kernel, the following vulnerability has been resolved: udf: fix partition descriptor append bookkeeping Mounting a crafted UDF image with repeated partition descriptors can trigger a heap out-of-bounds write in part_descs_loc[]. handle_partition_…

  • Critical 9.8

    rxrpc: Fix re-decryption of RESPONSE packets

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix re-decryption of RESPONSE packets If a RESPONSE packet gets a temporary failure during processing, it may end up in a partially decrypted state - and then get requeued for a retry.…

  • Unscored —

    KVM: nSVM: Sync interrupt shadow to cached vmcb12 after VMRUN of L2

    In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Sync interrupt shadow to cached vmcb12 after VMRUN of L2 After VMRUN in guest mode, nested_sync_control_from_vmcb02() syncs fields written by the CPU from vmcb02 to the cached vmcb…

  • Unscored —

    crypto: ccree - fix a memory leak in cc_mac_digest()

    In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - fix a memory leak in cc_mac_digest() Add cc_unmap_result() if cc_map_hash_request_final() fails to prevent potential memory leak.

  • Unscored —

    ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before submitting I/O

    In the Linux kernel, the following vulnerability has been resolved: ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before submitting I/O When allocating blocks during within-EOF DIO and writeback with dioread_nolock enabled, EXT4_GET_BLOCKS_PRE_IO was…

  • High 7.8

    gfs2: Fix use-after-free in iomap inline data write path

    In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in iomap inline data write path The inline data buffer head (dibh) is being released prematurely in gfs2_iomap_begin() via release_metapath() while iomap->inline_data…

  • Unscored —

    nfsd: never defer requests during idmap lookup

    In the Linux kernel, the following vulnerability has been resolved: nfsd: never defer requests during idmap lookup During v4 request compound arg decoding, some ops (e.g. SETATTR) can trigger idmap lookup upcalls. When those upcall responses get delayed beyon…

  • Unscored —

    s390/cio: Fix device lifecycle handling in css_alloc_subchannel()

    In the Linux kernel, the following vulnerability has been resolved: s390/cio: Fix device lifecycle handling in css_alloc_subchannel() `css_alloc_subchannel()` calls `device_initialize()` before setting up the DMA masks. If `dma_set_coherent_mask()` or `dma_se…

  • Unscored —

    staging: greybus: lights: avoid NULL deref

    In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gb_lights_light_config() stores channel_count before allocating the channels array. If kcalloc() fails, gb_lights_release() iterates the non-zero co…

  • Unscored —

    btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found If btrfs_search_slot_for_read() returns 1, it means we did not find any key greater than or equals to the key we as…

  • High 7.8

    bonding: alb: fix UAF in rlb_arp_recv during bond up/down

    In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix UAF in rlb_arp_recv during bond up/down The ALB RX path may access rx_hashtbl concurrently with bond teardown. During rapid bond up/down cycles, rlb_deinitialize() frees rx_…

  • Unscored —

    HID: playstation: Add missing check for input_ff_create_memless

    In the Linux kernel, the following vulnerability has been resolved: HID: playstation: Add missing check for input_ff_create_memless The ps_gamepad_create() function calls input_ff_create_memless() without verifying its return value, which can lead to incorrec…

  • Unscored —

    cpuidle: Skip governor when only one idle state is available

    In the Linux kernel, the following vulnerability has been resolved: cpuidle: Skip governor when only one idle state is available On certain platforms (PowerNV systems without a power-mgt DT node), cpuidle may register only a single idle state. In cases where …

  • Unscored —

    apparmor: fix invalid deref of rawdata when export_binary is unset

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix invalid deref of rawdata when export_binary is unset If the export_binary parameter is disabled on runtime, profiles that were loaded before that will still have their rawdata s…

  • Unscored —

    SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path Commit 5940d1cf9f42 ("SUNRPC: Rebalance a kref in auth_gss.c") added a kref_get(&gss_auth->kref) call to balance the gss_put_auth() …

  • Unscored —

    gfs2: fix memory leaks in gfs2_fill_super error path

    In the Linux kernel, the following vulnerability has been resolved: gfs2: fix memory leaks in gfs2_fill_super error path Fix two memory leaks in the gfs2_fill_super() error handling path when transitioning a filesystem to read-write mode fails. First leak: kt…

  • Unscored —

    hfsplus: return error when node already exists in hfs_bnode_create

    In the Linux kernel, the following vulnerability has been resolved: hfsplus: return error when node already exists in hfs_bnode_create When hfs_bnode_create() finds that a node is already hashed (which should not happen in normal operation), it currently retu…

  • High 7.1

    drm/exynos: vidi: fix to avoid directly dereferencing user pointer

    In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: fix to avoid directly dereferencing user pointer In vidi_connection_ioctl(), vidi->edid(user pointer) is directly dereferenced in the kernel. This allows arbitrary kernel me…

  • Unscored —

    rcu: Fix rcu_read_unlock() deadloop due to softirq

    In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcu_read_unlock() deadloop due to softirq Commit 5f5fa7ea89dc ("rcu: Don't use negative nesting depth in __rcu_read_unlock()") removes the recursion-protection code from __rcu_read_u…

  • High 7.8

    drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()

    In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl() vidi_connection_ioctl() retrieves the driver_data from drm_dev->dev to obtain a struct vidi_context pointer. How…

  • Unscored —

    fbdev: au1200fb: Fix a memory leak in au1200fb_drv_probe()

    In the Linux kernel, the following vulnerability has been resolved: fbdev: au1200fb: Fix a memory leak in au1200fb_drv_probe() In au1200fb_drv_probe(), when platform_get_irq fails(), it directly returns from the function with an error code, which causes a mem…

  • Unscored —

    hwrng: core - use RCU and work_struct to fix race condition

    In the Linux kernel, the following vulnerability has been resolved: hwrng: core - use RCU and work_struct to fix race condition Currently, hwrng_fill is not cleared until the hwrng_fillfn() thread exits. Since hwrng_unregister() reads hwrng_fill outside the r…

  • Unscored —

    ext4: fix memory leak in ext4_ext_shift_extents()

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_ext_shift_extents() In ext4_ext_shift_extents(), if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained vi…

  • Unscored —

    power: supply: ab8500: Fix use-after-free in power_supply_changed()

    In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix use-after-free in power_supply_changed() Using the `devm_` variant for requesting IRQ _before_ the `devm_` variant for allocating/registering the `power_supply` han…

  • High 7.5

    iommu/vt-d: Clear Present bit before tearing down context entry

    In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down context entry When tearing down a context entry, the current implementation zeros the entire 128-bit entry using multiple 64-bit writes. This…

  • Unscored —

    tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure

    In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure get_burstcount() can return -EBUSY on timeout. When this happens, the function returns directly without releasing the loca…

  • High 7.8

    ext4: fix e4b bitmap inconsistency reports

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like…

  • Unscored —

    net: stmmac: fix oops when split header is enabled

    In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix oops when split header is enabled For GMAC4, when split header is enabled, in some rare cases, the hardware does not fill buf2 of the first descriptor with payload. Thus we c…