CVE-2022-49479 mt76: fix tx status related use-after-free race on station removal

In the Linux kernel, the following vulnerability has been resolved: mt76: fix tx status related use-after-free race on station removal There is a small race window where ongoing tx activity can lead to a skb getting added to the status tracking idr after that idr has already been cleaned up, whic...

CVE-2022-49470

CVE-2022-49470 concerns the Linux kernel Bluetooth subsystem, specifically the btmtksdio driver. The provided sources confirm a concrete issue: use-after-free involving the skb/data in btmtksdio_recv_event after hci_recv_frame is called, leading to a KASAN report. The impact is high (CVE score 7....

CVE-2022-49455

CVE-2022-49455 (Linux kernel) fixes a double-free bug in ocxl_file_register_afu: info_release() could be invoked during device_unregister() when info->dev’s refcount was 0, making an extra ocxl_afu_put()/kfree() unnecessary. The patch adds free_minor() and returns to the err_unregister path to...

CVE-2022-49410

CVE-2022-49410: Linux kernel tracing double free in create_var_ref fixed by making init_var_ref() store NULL when freeing fields; affected components include the variable ref_field initialization path (create_hist_field -> init_var_ref -> destroy_hist_field). Remediation is to apply the ker...

CVE-2022-49388 ubi: ubi_create_volume: Fix use-after-free when volume creation failed

In the Linux kernel, the following vulnerability has been resolved: ubi: ubicreatevolume: Fix use-after-free when volume creation failed There is an use-after-free problem for 'ebatbl' in ubicreatevolume's error handling path: ubiebareplacetablevol, ebatbl vol-ebatbl = tbl outmapping:...

CVE-2022-49388

The Linux kernel contains a use-after-free vulnerability in the ubi component, specifically within the ubi_create_volume() function's error handling path. The issue arises because the eba_tbl pointer is incorrectly handled, leading to a situation where it is freed but subsequently accessed during...

CVE-2022-49388

In the Linux kernel, the following vulnerability has been resolved: ubi: ubicreatevolume: Fix use-after-free when volume creation failed There is an use-after-free problem for 'ebatbl' in ubicreatevolume's error handling path: ubiebareplacetablevol, ebatbl vol-ebatbl = tbl outmapping:...

CVE-2022-49362

CVE-2022-49362 is a Linux kernel vulnerability affecting NFSD. The issue is a use-after-free in nfsd_file_put, where nfsd_file_put_noref() can free @nf, so the kernel must not dereference @nf immediately after returning from nfsd_file_put_noref(). The CVE is rated critical (CVSS v3.1 base score 9...

CVE-2022-49328 mt76: fix use-after-free by removing a non-RCU wcid pointer

In the Linux kernel, the following vulnerability has been resolved: mt76: fix use-after-free by removing a non-RCU wcid pointer Fixes an issue caught by KASAN about use-after-free in mt76txqschedule by protecting mtxq-wcid with rculock between mt76txqschedule and stainfoalloc, free. 18853.876689...

CVE-2022-49328 mt76: fix use-after-free by removing a non-RCU wcid pointer

In the Linux kernel, the following vulnerability has been resolved: mt76: fix use-after-free by removing a non-RCU wcid pointer Fixes an issue caught by KASAN about use-after-free in mt76txqschedule by protecting mtxq-wcid with rculock between mt76txqschedule and stainfoalloc, free. 18853.876689...

CVE-2022-49270

The Linux kernel contains a use-after-free vulnerability in the dm (Device Mapper) component, specifically within the dm_cleanup_zoned_dev() function. The root cause is a race condition where dm_cleanup_zoned_dev() must be executed before blk_cleanup_disk() begins its execution; otherwise, an RCU...

CVE-2022-49258 crypto: ccree - Fix use after free in cc_cipher_exit()

In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - Fix use after free in cccipherexit kfreesensitivectxp-user.key will free the ctxp-user.key. But ctxp-user.key is still used in the next line, which will lead to a use after free. We can call kfreesensitive after...

CVE-2022-49179

CVE-2022-49179 is a Linux kernel UAF in the block I/O BFQ scheduler (block, bfq: don’t move oom_bfqq). The issue manifests as a use-after-free in bfq_put_async_bfqq() during module removal (rmmod) and BFQ/blk-mq teardown, with 1024-byte slab allocations implicated. Unity Linux advisories UTSA-202...

CVE-2022-49179 block, bfq: don't move oom_bfqq

In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oombfqq Our test report a UAF: 2073.019181 ================================================================== 2073.019188 BUG: KASAN: use-after-free in bfqputasyncbfqq+0xa0/0x168 2073.019191 Write of size 8...

CVE-2022-49176 bfq: fix use-after-free in bfq_dispatch_request

In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfqdispatchrequest KASAN reports a use-after-free report when doing normal scsi-mq test 69832.239032 ================================================================== 69832.241810 BUG: KASAN:...

CVE-2022-49176

In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfqdispatchrequest KASAN reports a use-after-free report when doing normal scsi-mq test 69832.239032 ================================================================== 69832.241810 BUG: KASAN:...

CVE-2022-49087 rxrpc: fix a race in rxrpc_exit_net()

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix a race in rxrpcexitnet Current code can lead to the following race: CPU0 CPU1 rxrpcexitnet rxrpcpeerkeepaliveworker if rxnet-live rxnet-live = false; deltimersync&rxnet-peerkeepalivetimer;...

CVE-2022-49082

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix use after free in scsihexpandernoderemove The function mpt3sastransportportremove called in scsihexpandernoderemove frees the port field of the sasexpander structure, leading to the following use-after-free spl...

CVE-2022-49082

The Linux kernel contains a use-after-free vulnerability in the _scsih_expander_node_remove() function within the mpt3sas driver (located in drivers/scsi/mpt3sas/mpt3sas_scsih.c). The issue occurs because mpt3sas_transport_port_remove() frees the port field of the sas_expander structure, which is...

CVE-2022-49053

CVE-2022-49053 affects the Linux kernel scsi: target: tcmu component. The vulnerability arises from tcmu_try_get_data_page() returning a data page pointer without properly holding a reference under the cmdr_lock, which can allow the page to be freed by tcmu_blocks_release(), creating a use-after-...