CVE-2021-47634

In the Linux kernel, the following vulnerability has been resolved: ubi: Fix race condition between ctrlcdevioctl and ubicdevioctl Hulk Robot reported a KASAN report about use-after-free: ================================================================== BUG: KASAN: use-after-free in...

CVE-2022-49728

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in ip6appenddata Resurrect ubsan overflow checks and ubsan report this warning, fix it by change the variable length type to sizet. UBSAN: signed-integer-overflow in net/ipv6/ip6output.c:1489:19...

CVE-2022-49688

In the Linux kernel, the following vulnerability has been resolved: afs: Fix dynamic root getattr The recent patch to make afsgetattr consult the server didn't account for the pseudo-inodes employed by the dynamic root-type afs superblock not having a volume or a server to access, and thus an oop...

CVE-2022-49663 tunnels: do not assume mac header is set in skb_tunnel_check_pmtu()

In the Linux kernel, the following vulnerability has been resolved: tunnels: do not assume mac header is set in skbtunnelcheckpmtu Recently added debug in commit f9aefd6b2aa3 "net: warn if mac header was not set" caught a bug in skbtunnelcheckpmtu, as shown in this syzbot report 1. In ndostartxmi...

CVE-2022-49662

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix lockdep splat in in6dumpaddrs As reported by syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:5175 suspicious...

CVE-2022-49584

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Add locking to prevent panic when setting sriovnumvfs to zero It is possible to disable VFs while the PF driver is processing requests from the VF driver. This can result in a panic. BUG: unable to handle kernel paging...

CVE-2022-49560 exfat: check if cluster num is valid

In the Linux kernel, the following vulnerability has been resolved: exfat: check if cluster num is valid Syzbot reported slab-out-of-bounds read in exfatclearbitmap. This was triggered by reproducer calling truncute with size 0, which causes the following trace: BUG: KASAN: slab-out-of-bounds in...

CVE-2022-49546 x86/kexec: fix memory leak of elf header buffer

In the Linux kernel, the following vulnerability has been resolved: x86/kexec: fix memory leak of elf header buffer This is reported by kmemleak detector: unreferenced object 0xffffc900002a9000 size 4096: comm "kexec", pid 14950, jiffies 4295110793 age 373.951s hex dump first 32 bytes: 7f 45 4c 4...

CVE-2022-49515

The CVE-2022-49515 issue affects the Linux kernel ASoC driver for cs35l41. It is caused by an out-of-bounds access in otp_packed_element_t where CS35L41_NUM_OTP_ELEM is defined as 100 but only 99 entries exist in otp_map_1/2[CS35L41_NUM_OTP_ELEM], triggering UBSAN shift-out-of-bounds warnings in ...

CVE-2022-49515 ASoC: cs35l41: Fix an out-of-bounds access in otp_packed_element_t

In the Linux kernel, the following vulnerability has been resolved: ASoC: cs35l41: Fix an out-of-bounds access in otppackedelementt The CS35L41NUMOTPELEM is 100, but only 99 entries are defined in the array otpmap1/2CS35L41NUMOTPELEM, this will trigger UBSAN to report a shift-out-of-bounds warnin...

CVE-2022-49507 regulator: da9121: Fix uninit-value in da9121_assign_chip_model()

In the Linux kernel, the following vulnerability has been resolved: regulator: da9121: Fix uninit-value in da9121assignchipmodel KASAN report slab-out-of-bounds in regmapinit as follows: BUG: KASAN: slab-out-of-bounds in regmapinit drivers/base/regmap/regmap.c:841 Read of size 1 at addr...

CVE-2022-49507

In the Linux kernel, the following vulnerability has been resolved: regulator: da9121: Fix uninit-value in da9121assignchipmodel KASAN report slab-out-of-bounds in regmapinit as follows: BUG: KASAN: slab-out-of-bounds in regmapinit drivers/base/regmap/regmap.c:841 Read of size 1 at addr...

CVE-2022-49497

In the Linux kernel, the following vulnerability has been resolved: net: remove two BUG from skbchecksumhelp I have a syzbot report that managed to get a crash in skbchecksumhelp If syzbot can trigger these BUG, it makes sense to replace them with more friendly WARNONONCE since skbchecksumhelp ca...

CVE-2022-49497 net: remove two BUG() from skb_checksum_help()

In the Linux kernel, the following vulnerability has been resolved: net: remove two BUG from skbchecksumhelp I have a syzbot report that managed to get a crash in skbchecksumhelp If syzbot can trigger these BUG, it makes sense to replace them with more friendly WARNONONCE since skbchecksumhelp ca...

CVE-2022-49497 net: remove two BUG() from skb_checksum_help()

In the Linux kernel, the following vulnerability has been resolved: net: remove two BUG from skbchecksumhelp I have a syzbot report that managed to get a crash in skbchecksumhelp If syzbot can trigger these BUG, it makes sense to replace them with more friendly WARNONONCE since skbchecksumhelp ca...

CVE-2022-49464 erofs: fix buffer copy overflow of ztailpacking feature

In the Linux kernel, the following vulnerability has been resolved: erofs: fix buffer copy overflow of ztailpacking feature I got some KASAN report as below: 46.959738 ================================================================== 46.960430 BUG: KASAN: use-after-free in...

CVE-2022-49464

CVE-2022-49464 relates to a Linux kernel erofs tail pcluster handling bug: when ztailpacking is used, the second part of an uncompressed tail pcluster may not match rq->pageofs_out, causing a use-after-free in z_erofs_shifted_transform and potential memory access after free. A fix was implemen...

CVE-2022-49464 erofs: fix buffer copy overflow of ztailpacking feature

In the Linux kernel, the following vulnerability has been resolved: erofs: fix buffer copy overflow of ztailpacking feature I got some KASAN report as below: 46.959738 ================================================================== 46.960430 BUG: KASAN: use-after-free in...

CVE-2022-49464

In the Linux kernel, the following vulnerability has been resolved: erofs: fix buffer copy overflow of ztailpacking feature I got some KASAN report as below: 46.959738 ================================================================== 46.960430 BUG: KASAN: use-after-free in...

CVE-2022-49364 f2fs: fix to clear dirty inode in f2fs_evict_inode()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty inode in f2fsevictinode As Yanming reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215904 The kernel message is shown below: kernel BUG at fs/f2fs/inode.c:825! Call Trace: evict+0x282/0x4...